163712054479 has 2 divisors, whose sum is σ = 163712054480. Its totient is φ = 163712054478.

The previous prime is 163712054371. The next prime is 163712054489. The reversal of 163712054479 is 974450217361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163712054479 - 2³⁵ = 129352316111 is a prime.

It is a super-2 number, since 2×163712054479² (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 (163712054489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81856027239 + 81856027240.

It is an arithmetic number, because the mean of its divisors is an integer number (81856027240).

Almost surely, 2^163712054479 is an apocalyptic number.

163712054479 is a deficient number, since it is larger than the sum of its proper divisors (1).

163712054479 is an equidigital number, since it uses as much as digits as its factorization.

163712054479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 163712054479 in words is "one hundred sixty-three billion, seven hundred twelve million, fifty-four thousand, four hundred seventy-nine".