164027826231431 has 2 divisors, whose sum is σ = 164027826231432. Its totient is φ = 164027826231430.

The previous prime is 164027826231427. The next prime is 164027826231443. The reversal of 164027826231431 is 134132628720461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164027826231431 - 2² = 164027826231427 is a prime.

It is a super-2 number, since 2×164027826231431² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164027826231431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164027826231631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82013913115715 + 82013913115716.

It is an arithmetic number, because the mean of its divisors is an integer number (82013913115716).

Almost surely, 2^{164027826231431} is an apocalyptic number.

164027826231431 is a deficient number, since it is larger than the sum of its proper divisors (1).

164027826231431 is an equidigital number, since it uses as much as digits as its factorization.

164027826231431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 164027826231431 in words is "one hundred sixty-four trillion, twenty-seven billion, eight hundred twenty-six million, two hundred thirty-one thousand, four hundred thirty-one".