531051386160 has 80 divisors (see below), whose sum is σ = 1646340341760. Its totient is φ = 141606731520.

The previous prime is 531051386149. The next prime is 531051386167. The reversal of 531051386160 is 61683150135.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (531051386167) 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 15 ways as a sum of consecutive naturals, for example, 6441681 + ... + 6523599.

It is an arithmetic number, because the mean of its divisors is an integer number (20579254272).

Almost surely, 2^531051386160 is an apocalyptic number.

It is an amenable number.

531051386160 is an abundant number, since it is smaller than the sum of its proper divisors (1115288955600).

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

531051386160 is a wasteful number, since it uses less digits than its factorization.

531051386160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108946 (or 108940 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 531051386160 in words is "five hundred thirty-one billion, fifty-one million, three hundred eighty-six thousand, one hundred sixty".