524694512164 has 27 divisors (see below), whose sum is σ = 921275461393. Its totient is φ = 261475853408.

The previous prime is 524694512137. The next prime is 524694512183. The reversal of 524694512164 is 461215496425.

The square root of 524694512164 is 724358.

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., 15195492900 + 509499019264 = 123270^2 + 713792^2 .

It is a super-3 number, since 3×524694512164³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 850395984 + ... + 850396600.

Almost surely, 2^524694512164 is an apocalyptic number.

524694512164 is the 724358-th square number.

It is an amenable number.

524694512164 is a deficient number, since it is larger than the sum of its proper divisors (396580949229).

524694512164 is an frugal number, since it uses more digits than its factorization.

524694512164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 1206 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

Multiplying 524694512164 by its sum of digits (49), we get a square (25710031096036 = 5070506²).

The spelling of 524694512164 in words is "five hundred twenty-four billion, six hundred ninety-four million, five hundred twelve thousand, one hundred sixty-four".