164265504030531 has 6 divisors (see below), whose sum is σ = 237272394710780. Its totient is φ = 109510336020348.

The previous prime is 164265504030499. The next prime is 164265504030541. The reversal of 164265504030531 is 135030405562461.

It is a happy number.

164265504030531 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 6 + 550 + 40 + 3 + 0 + 53 + 1 = 666.

It is not a de Polignac number, because 164265504030531 - 2⁵ = 164265504030499 is a prime.

It is a super-2 number, since 2×164265504030531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164265504030541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9125861335021 + ... + 9125861335038.

Almost surely, 2^{164265504030531} is an apocalyptic number.

164265504030531 is a deficient number, since it is larger than the sum of its proper divisors (73006890680249).

164265504030531 is a wasteful number, since it uses less digits than its factorization.

164265504030531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18251722670065 (or 18251722670062 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

Adding to 164265504030531 its reverse (135030405562461), we get a palindrome (299295909592992).

The spelling of 164265504030531 in words is "one hundred sixty-four trillion, two hundred sixty-five billion, five hundred four million, thirty thousand, five hundred thirty-one".