157612156881 has 8 divisors (see below), whose sum is σ = 210214197024. Its totient is φ = 105042444000.

The previous prime is 157612156873. The next prime is 157612156907. The reversal of 157612156881 is 188651216751.

157612156881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157612156881 - 2³ = 157612156873 is a prime.

It is a super-2 number, since 2×157612156881² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157612156381) 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, 8070436 + ... + 8089941.

It is an arithmetic number, because the mean of its divisors is an integer number (26276774628).

Almost surely, 2^157612156881 is an apocalyptic number.

It is an amenable number.

157612156881 is a deficient number, since it is larger than the sum of its proper divisors (52602040143).

157612156881 is a wasteful number, since it uses less digits than its factorization.

157612156881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16163631.

The product of its digits is 806400, while the sum is 51.

The spelling of 157612156881 in words is "one hundred fifty-seven billion, six hundred twelve million, one hundred fifty-six thousand, eight hundred eighty-one".