164753186404 has 9 divisors (see below), whose sum is σ = 288319496857. Its totient is φ = 82376187304.

The previous prime is 164753186371. The next prime is 164753186417. The reversal of 164753186404 is 404681357461.

The square root of 164753186404 is 405898.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20079456804 + 144673729600 = 141702^2 + 380360^2 .

It is a super-2 number, since 2×164753186404² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 710322 + ... + 913270.

Almost surely, 2^164753186404 is an apocalyptic number.

164753186404 is the 405898-th square number.

It is an amenable number.

164753186404 is a deficient number, since it is larger than the sum of its proper divisors (123566310453).

164753186404 is an frugal number, since it uses more digits than its factorization.

164753186404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405902 (or 202951 counting only the distinct ones).

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

Multiplying 164753186404 by its sum of digits (49), we get a square (8072906133796 = 2841286²).

The spelling of 164753186404 in words is "one hundred sixty-four billion, seven hundred fifty-three million, one hundred eighty-six thousand, four hundred four".