168227077836 has 96 divisors (see below), whose sum is σ = 406206823680. Its totient is φ = 54159646464.

The previous prime is 168227077817. The next prime is 168227077847. The reversal of 168227077836 is 638770722861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18827626 + ... + 18836558.

It is an arithmetic number, because the mean of its divisors is an integer number (4231321080).

Almost surely, 2^168227077836 is an apocalyptic number.

It is an amenable number.

168227077836 is an abundant number, since it is smaller than the sum of its proper divisors (237979745844).

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

168227077836 is a wasteful number, since it uses less digits than its factorization.

168227077836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463 (or 9461 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 168227077836 in words is "one hundred sixty-eight billion, two hundred twenty-seven million, seventy-seven thousand, eight hundred thirty-six".