157597782566 has 32 divisors (see below), whose sum is σ = 290749372992. Its totient is φ = 62526735360.

The previous prime is 157597782557. The next prime is 157597782581. The reversal of 157597782566 is 665287795751.

It is a super-2 number, since 2×157597782566² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157597782496 and 157597782505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5413151 + ... + 5442186.

It is an arithmetic number, because the mean of its divisors is an integer number (9085917906).

Almost surely, 2^157597782566 is an apocalyptic number.

157597782566 is a deficient number, since it is larger than the sum of its proper divisors (133151590426).

157597782566 is a wasteful number, since it uses less digits than its factorization.

157597782566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10855424.

The product of its digits is 222264000, while the sum is 68.

The spelling of 157597782566 in words is "one hundred fifty-seven billion, five hundred ninety-seven million, seven hundred eighty-two thousand, five hundred sixty-six".