164256661316 has 48 divisors (see below), whose sum is σ = 343476080640. Its totient is φ = 67847109120.

The previous prime is 164256661297. The next prime is 164256661319. The reversal of 164256661316 is 613166652461.

It is not an unprimeable number, because it can be changed into a prime (164256661319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3764420 + ... + 3807803.

It is an arithmetic number, because the mean of its divisors is an integer number (7155751680).

Almost surely, 2^164256661316 is an apocalyptic number.

It is an amenable number.

164256661316 is an abundant number, since it is smaller than the sum of its proper divisors (179219419324).

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

164256661316 is a wasteful number, since it uses less digits than its factorization.

164256661316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572284 (or 7572282 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The spelling of 164256661316 in words is "one hundred sixty-four billion, two hundred fifty-six million, six hundred sixty-one thousand, three hundred sixteen".