531663164 has 6 divisors (see below), whose sum is σ = 930410544. Its totient is φ = 265831580.

The previous prime is 531663109. The next prime is 531663169. The reversal of 531663164 is 461366135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531663169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66457892 + ... + 66457899.

It is an arithmetic number, because the mean of its divisors is an integer number (155068424).

Almost surely, 2^531663164 is an apocalyptic number.

It is an amenable number.

531663164 is a deficient number, since it is larger than the sum of its proper divisors (398747380).

531663164 is a wasteful number, since it uses less digits than its factorization.

531663164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132915795 (or 132915793 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 531663164 is about 23057.8221868415. The cubic root of 531663164 is about 810.1128552809.

The spelling of 531663164 in words is "five hundred thirty-one million, six hundred sixty-three thousand, one hundred sixty-four".