157685606123520 has 96 divisors (see below), whose sum is σ = 504470747813760. Its totient is φ = 42049494958080.

The previous prime is 157685606123471. The next prime is 157685606123657. The reversal of 157685606123520 is 25321606586751.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566466776 + ... + 2566528215.

It is an arithmetic number, because the mean of its divisors is an integer number (5254903623060).

Almost surely, 2^{157685606123520} is an apocalyptic number.

157685606123520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157685606123520 is an abundant number, since it is smaller than the sum of its proper divisors (346785141690240).

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

157685606123520 is an equidigital number, since it uses as much as digits as its factorization.

157685606123520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132995021 (or 5132995001 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 157685606123520 in words is "one hundred fifty-seven trillion, six hundred eighty-five billion, six hundred six million, one hundred twenty-three thousand, five hundred twenty".