155324252160 has 1520 divisors, whose sum is σ = 730814135040. Its totient is φ = 30576476160.

The previous prime is 155324252147. The next prime is 155324252177. The reversal of 155324252160 is 61252423551.

155324252160 is a `hidden beast` number, since 1 + 5 + 5 + 32 + 42 + 521 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1520).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8174960631 + ... + 8174960649.

Almost surely, 2^155324252160 is an apocalyptic number.

155324252160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155324252160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365407067520).

155324252160 is an abundant number, since it is smaller than the sum of its proper divisors (575489882880).

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

155324252160 is an frugal number, since it uses more digits than its factorization.

155324252160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 155324252160 in words is "one hundred fifty-five billion, three hundred twenty-four million, two hundred fifty-two thousand, one hundred sixty".