164614678231 has 2 divisors, whose sum is σ = 164614678232. Its totient is φ = 164614678230.

The previous prime is 164614678181. The next prime is 164614678381. The reversal of 164614678231 is 132876416461.

It is a weak prime.

It is an emirp because it is prime and its reverse (132876416461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164614678231 - 2³⁷ = 27175724759 is a prime.

It is a super-2 number, since 2×164614678231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164614678831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82307339115 + 82307339116.

It is an arithmetic number, because the mean of its divisors is an integer number (82307339116).

Almost surely, 2^164614678231 is an apocalyptic number.

164614678231 is a deficient number, since it is larger than the sum of its proper divisors (1).

164614678231 is an equidigital number, since it uses as much as digits as its factorization.

164614678231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The spelling of 164614678231 in words is "one hundred sixty-four billion, six hundred fourteen million, six hundred seventy-eight thousand, two hundred thirty-one".