101202878120664 has 32 divisors (see below), whose sum is σ = 255512217043440. Its totient is φ = 33400289808000.

The previous prime is 101202878120647. The next prime is 101202878120717. The reversal of 101202878120664 is 466021878202101.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 20875178707 + ... + 20875183554.

Almost surely, 2^{101202878120664} is an apocalyptic number.

It is an amenable number.

101202878120664 is an abundant number, since it is smaller than the sum of its proper divisors (154309338922776).

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

101202878120664 is a wasteful number, since it uses less digits than its factorization.

101202878120664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41750362371 (or 41750362367 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 101202878120664 in words is "one hundred one trillion, two hundred two billion, eight hundred seventy-eight million, one hundred twenty thousand, six hundred sixty-four".