155824261216 has 24 divisors (see below), whose sum is σ = 330377400864. Its totient is φ = 71918889600.

The previous prime is 155824261213. The next prime is 155824261259. The reversal of 155824261216 is 612162428551.

It is a super-3 number, since 3×155824261216³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155824261213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187288360 + ... + 187289191.

It is an arithmetic number, because the mean of its divisors is an integer number (13765725036).

Almost surely, 2^155824261216 is an apocalyptic number.

155824261216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155824261216 is an abundant number, since it is smaller than the sum of its proper divisors (174553139648).

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

155824261216 is a wasteful number, since it uses less digits than its factorization.

155824261216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374577574 (or 374577566 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

Adding to 155824261216 its reverse (612162428551), we get a palindrome (767986689767).

The spelling of 155824261216 in words is "one hundred fifty-five billion, eight hundred twenty-four million, two hundred sixty-one thousand, two hundred sixteen".