156887178075552 has 48 divisors (see below), whose sum is σ = 436054068479232. Its totient is φ = 49219506846720.

The previous prime is 156887178075541. The next prime is 156887178075553. The reversal of 156887178075552 is 255570871788651.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×156887178075552² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156887178075553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48065923024 + ... + 48065926287.

It is an arithmetic number, because the mean of its divisors is an integer number (9084459759984).

Almost surely, 2^{156887178075552} is an apocalyptic number.

156887178075552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156887178075552 is an abundant number, since it is smaller than the sum of its proper divisors (279166890403680).

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

156887178075552 is a wasteful number, since it uses less digits than its factorization.

156887178075552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96131849341 (or 96131849333 counting only the distinct ones).

The product of its (nonzero) digits is 1317120000, while the sum is 75.

The spelling of 156887178075552 in words is "one hundred fifty-six trillion, eight hundred eighty-seven billion, one hundred seventy-eight million, seventy-five thousand, five hundred fifty-two".