531296664 has 16 divisors (see below), whose sum is σ = 1328241720. Its totient is φ = 177098880.

The previous prime is 531296659. The next prime is 531296669. The reversal of 531296664 is 466692135.

It is an interprime number because it is at equal distance from previous prime (531296659) and next prime (531296669).

It is a super-2 number, since 2×531296664² = 564552290355057792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531296669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11068657 + ... + 11068704.

Almost surely, 2^531296664 is an apocalyptic number.

It is an amenable number.

531296664 is an abundant number, since it is smaller than the sum of its proper divisors (796945056).

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

531296664 is a wasteful number, since it uses less digits than its factorization.

531296664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22137370 (or 22137366 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 531296664 is about 23049.8734052923. The cubic root of 531296664 is about 809.9266630753.

The spelling of 531296664 in words is "five hundred thirty-one million, two hundred ninety-six thousand, six hundred sixty-four".