162665161552431 has 32 divisors (see below), whose sum is σ = 241055735808000. Its totient is φ = 108411805460160.

The previous prime is 162665161552429. The next prime is 162665161552459. The reversal of 162665161552431 is 134255161566261.

162665161552431 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 6 + 51 + 6 + 1 + 552 + 4 + 31 = 666.

It is not a de Polignac number, because 162665161552431 - 2¹ = 162665161552429 is a prime.

It is a super-2 number, since 2×162665161552431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162665161553431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1484563410 + ... + 1484672976.

It is an arithmetic number, because the mean of its divisors is an integer number (7532991744000).

Almost surely, 2^{162665161552431} is an apocalyptic number.

162665161552431 is a deficient number, since it is larger than the sum of its proper divisors (78390574255569).

162665161552431 is a wasteful number, since it uses less digits than its factorization.

162665161552431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125116 (or 125110 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 162665161552431 in words is "one hundred sixty-two trillion, six hundred sixty-five billion, one hundred sixty-one million, five hundred fifty-two thousand, four hundred thirty-one".