201576688136 has 32 divisors (see below), whose sum is σ = 394446231360. Its totient is φ = 96392294592.

The previous prime is 201576688109. The next prime is 201576688153. The reversal of 201576688136 is 631886675102.

It is a super-2 number, since 2×201576688136² (a number of 23 digits) contains 22 as substring.

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, 1257086 + ... + 1408338.

It is an arithmetic number, because the mean of its divisors is an integer number (12326444730).

Almost surely, 2^201576688136 is an apocalyptic number.

It is an amenable number.

201576688136 is a deficient number, since it is larger than the sum of its proper divisors (192869543224).

201576688136 is a wasteful number, since it uses less digits than its factorization.

201576688136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158525 (or 158521 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 201576688136 in words is "two hundred one billion, five hundred seventy-six million, six hundred eighty-eight thousand, one hundred thirty-six".