164629262875631 has 2 divisors, whose sum is σ = 164629262875632. Its totient is φ = 164629262875630.

The previous prime is 164629262875537. The next prime is 164629262875661. The reversal of 164629262875631 is 136578262926461.

It is a strong prime.

It is an emirp because it is prime and its reverse (136578262926461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164629262875631 - 2¹⁰ = 164629262874607 is a prime.

It is a super-2 number, since 2×164629262875631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164629262875661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82314631437815 + 82314631437816.

It is an arithmetic number, because the mean of its divisors is an integer number (82314631437816).

Almost surely, 2^{164629262875631} is an apocalyptic number.

164629262875631 is a deficient number, since it is larger than the sum of its proper divisors (1).

164629262875631 is an equidigital number, since it uses as much as digits as its factorization.

164629262875631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313528320, while the sum is 68.

The spelling of 164629262875631 in words is "one hundred sixty-four trillion, six hundred twenty-nine billion, two hundred sixty-two million, eight hundred seventy-five thousand, six hundred thirty-one".