637030652164 has 9 divisors (see below), whose sum is σ = 1114806434791. Its totient is φ = 318514527940.

The previous prime is 637030652131. The next prime is 637030652227. The reversal of 637030652164 is 461256030736.

The square root of 637030652164 is 798142.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 637030652164.

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, 1396749 + ... + 1795819.

Almost surely, 2^637030652164 is an apocalyptic number.

637030652164 is the 798142-nd square number.

It is an amenable number.

637030652164 is a deficient number, since it is larger than the sum of its proper divisors (477775782627).

637030652164 is an frugal number, since it uses more digits than its factorization.

637030652164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798146 (or 399073 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 637030652164 in words is "six hundred thirty-seven billion, thirty million, six hundred fifty-two thousand, one hundred sixty-four".