164645511232 has 14 divisors (see below), whose sum is σ = 326718436478. Its totient is φ = 82322755584.

The previous prime is 164645511229. The next prime is 164645511269. The reversal of 164645511232 is 232115546461.

It can be written as a sum of positive squares in only one way, i.e., 153990317056 + 10655194176 = 392416^2 + 103224^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286292993 + ... + 1286293120.

It is an arithmetic number, because the mean of its divisors is an integer number (23337031177).

Almost surely, 2^164645511232 is an apocalyptic number.

It is an amenable number.

164645511232 is a deficient number, since it is larger than the sum of its proper divisors (162072925246).

164645511232 is an equidigital number, since it uses as much as digits as its factorization.

164645511232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572586125 (or 2572586115 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The spelling of 164645511232 in words is "one hundred sixty-four billion, six hundred forty-five million, five hundred eleven thousand, two hundred thirty-two".