20164598516627 has 2 divisors, whose sum is σ = 20164598516628. Its totient is φ = 20164598516626.

The previous prime is 20164598516597. The next prime is 20164598516653. The reversal of 20164598516627 is 72661589546102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20164598516627 - 2³⁸ = 19889720609683 is a prime.

It is a super-2 number, since 2×20164598516627² (a number of 27 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 20164598516627.

It is not a weakly prime, because it can be changed into another prime (20164598516677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10082299258313 + 10082299258314.

It is an arithmetic number, because the mean of its divisors is an integer number (10082299258314).

Almost surely, 2^{20164598516627} is an apocalyptic number.

20164598516627 is a deficient number, since it is larger than the sum of its proper divisors (1).

20164598516627 is an equidigital number, since it uses as much as digits as its factorization.

20164598516627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 20164598516627 in words is "twenty trillion, one hundred sixty-four billion, five hundred ninety-eight million, five hundred sixteen thousand, six hundred twenty-seven".