501132664 has 64 divisors (see below), whose sum is σ = 1034035200. Its totient is φ = 226727424.

The previous prime is 501132661. The next prime is 501132677. The reversal of 501132664 is 466231105.

It is a super-2 number, since 2×501132664² = 502267893855473792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501132661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391177 + ... + 392455.

It is an arithmetic number, because the mean of its divisors is an integer number (16156800).

Almost surely, 2^501132664 is an apocalyptic number.

It is an amenable number.

501132664 is an abundant number, since it is smaller than the sum of its proper divisors (532902536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501132664 is a wasteful number, since it uses less digits than its factorization.

501132664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 501132664 is about 22385.9925846499. The cubic root of 501132664 is about 794.2994046677.

Adding to 501132664 its reverse (466231105), we get a palindrome (967363769).

It can be divided in two parts, 5011 and 32664, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 501132664 in words is "five hundred one million, one hundred thirty-two thousand, six hundred sixty-four".