16356125507 has 2 divisors, whose sum is σ = 16356125508. Its totient is φ = 16356125506.

The previous prime is 16356125503. The next prime is 16356125549. The reversal of 16356125507 is 70552165361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16356125507 - 2² = 16356125503 is a prime.

It is not a weakly prime, because it can be changed into another prime (16356125501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8178062753 + 8178062754.

It is an arithmetic number, because the mean of its divisors is an integer number (8178062754).

Almost surely, 2^16356125507 is an apocalyptic number.

16356125507 is a deficient number, since it is larger than the sum of its proper divisors (1).

16356125507 is an equidigital number, since it uses as much as digits as its factorization.

16356125507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 16356125507 in words is "sixteen billion, three hundred fifty-six million, one hundred twenty-five thousand, five hundred seven".