155929364660224 has 133 divisors (see below), whose sum is σ = 322995924996157. Its totient is φ = 75276245008384.

The previous prime is 155929364660161. The next prime is 155929364660243. The reversal of 155929364660224 is 422066463929551.

The square root of 155929364660224 is 12487168.

The cubic root of 155929364660224 is 53824.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 66598134349824 + 89331230310400 = 8160768^2 + 9451520^2 .

It is a super-2 number, since 2×155929364660224² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 5376874643442 + ... + 5376874643470.

Almost surely, 2^{155929364660224} is an apocalyptic number.

155929364660224 is the 12487168-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155929364660224

155929364660224 is an abundant number, since it is smaller than the sum of its proper divisors (167066560335933).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155929364660224 is an frugal number, since it uses more digits than its factorization.

155929364660224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 64.

155929364660224 divided by its sum of digits (64) gives a 6-th power (2436396322816 = 116⁶).

The spelling of 155929364660224 in words is "one hundred fifty-five trillion, nine hundred twenty-nine billion, three hundred sixty-four million, six hundred sixty thousand, two hundred twenty-four".