164362544375564 has 12 divisors (see below), whose sum is σ = 287639682664488. Its totient is φ = 82179777900000.

The previous prime is 164362544375551. The next prime is 164362544375587. The reversal of 164362544375564 is 465573445263461.

It is a happy number.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 164362544375564.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373324442 + ... + 373764449.

It is an arithmetic number, because the mean of its divisors is an integer number (23969973555374).

Almost surely, 2^{164362544375564} is an apocalyptic number.

It is an amenable number.

164362544375564 is a deficient number, since it is larger than the sum of its proper divisors (123277138288924).

164362544375564 is a wasteful number, since it uses less digits than its factorization.

164362544375564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747143896 (or 747143894 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 65.

The spelling of 164362544375564 in words is "one hundred sixty-four trillion, three hundred sixty-two billion, five hundred forty-four million, three hundred seventy-five thousand, five hundred sixty-four".