164051779976 has 32 divisors (see below), whose sum is σ = 354105527040. Its totient is φ = 69794706048.

The previous prime is 164051779921. The next prime is 164051780099. The reversal of 164051779976 is 679977150461.

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, 10683920 + ... + 10699263.

It is an arithmetic number, because the mean of its divisors is an integer number (11065797720).

Almost surely, 2^164051779976 is an apocalyptic number.

It is an amenable number.

164051779976 is an abundant number, since it is smaller than the sum of its proper divisors (190053747064).

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

164051779976 is a wasteful number, since it uses less digits than its factorization.

164051779976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21383333 (or 21383329 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 164051779976 in words is "one hundred sixty-four billion, fifty-one million, seven hundred seventy-nine thousand, nine hundred seventy-six".