155995658352 has 80 divisors (see below), whose sum is σ = 471331936000. Its totient is φ = 49261784256.

The previous prime is 155995658243. The next prime is 155995658359. The reversal of 155995658352 is 253856599551.

155995658352 is a `hidden beast` number, since 1 + 5 + 599 + 5 + 6 + 5 + 8 + 35 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 155995658352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155995658359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9494452 + ... + 9510867.

It is an arithmetic number, because the mean of its divisors is an integer number (5891649200).

Almost surely, 2^155995658352 is an apocalyptic number.

155995658352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155995658352 is an abundant number, since it is smaller than the sum of its proper divisors (315336277648).

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

155995658352 is a wasteful number, since it uses less digits than its factorization.

155995658352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19005355 (or 19005343 counting only the distinct ones).

The product of its digits is 72900000, while the sum is 63.

The spelling of 155995658352 in words is "one hundred fifty-five billion, nine hundred ninety-five million, six hundred fifty-eight thousand, three hundred fifty-two".