201331678876836 has 48 divisors (see below), whose sum is σ = 472065759970560. Its totient is φ = 66783241717920.

The previous prime is 201331678876703. The next prime is 201331678876841. The reversal of 201331678876836 is 638678876133102.

201331678876836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201331678876836² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12771175 + ... + 23785841.

It is an arithmetic number, because the mean of its divisors is an integer number (9834703332720).

Almost surely, 2^{201331678876836} is an apocalyptic number.

It is an amenable number.

201331678876836 is an abundant number, since it is smaller than the sum of its proper divisors (270734081093724).

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

201331678876836 is a wasteful number, since it uses less digits than its factorization.

201331678876836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11022104 (or 11022102 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 69.

The spelling of 201331678876836 in words is "two hundred one trillion, three hundred thirty-one billion, six hundred seventy-eight million, eight hundred seventy-six thousand, eight hundred thirty-six".