164033565856 has 48 divisors (see below), whose sum is σ = 323943852960. Its totient is φ = 81762405120.

The previous prime is 164033565851. The next prime is 164033565863. The reversal of 164033565856 is 658565330461.

It is not an unprimeable number, because it can be changed into a prime (164033565851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23339815 + ... + 23346841.

It is an arithmetic number, because the mean of its divisors is an integer number (6748830270).

Almost surely, 2^164033565856 is an apocalyptic number.

164033565856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164033565856 is a deficient number, since it is larger than the sum of its proper divisors (159910287104).

164033565856 is a wasteful number, since it uses less digits than its factorization.

164033565856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197 (or 9189 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 164033565856 in words is "one hundred sixty-four billion, thirty-three million, five hundred sixty-five thousand, eight hundred fifty-six".