164814722536 has 32 divisors (see below), whose sum is σ = 312281592480. Its totient is φ = 81540648000.

The previous prime is 164814722533. The next prime is 164814722537. The reversal of 164814722536 is 635227418461.

It is a self number, because there is not a number n which added to its sum of digits gives 164814722536.

It is not an unprimeable number, because it can be changed into a prime (164814722533) 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, 1251931 + ... + 1377301.

It is an arithmetic number, because the mean of its divisors is an integer number (9758799765).

Almost surely, 2^164814722536 is an apocalyptic number.

It is an amenable number.

164814722536 is a deficient number, since it is larger than the sum of its proper divisors (147466869944).

164814722536 is a wasteful number, since it uses less digits than its factorization.

164814722536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127105 (or 127101 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 164814722536 in words is "one hundred sixty-four billion, eight hundred fourteen million, seven hundred twenty-two thousand, five hundred thirty-six".