16431625607 has 2 divisors, whose sum is σ = 16431625608. Its totient is φ = 16431625606.

The previous prime is 16431625559. The next prime is 16431625627. The reversal of 16431625607 is 70652613461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16431625607 - 2¹⁸ = 16431363463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16431625627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215812803 + 8215812804.

It is an arithmetic number, because the mean of its divisors is an integer number (8215812804).

Almost surely, 2^16431625607 is an apocalyptic number.

16431625607 is a deficient number, since it is larger than the sum of its proper divisors (1).

16431625607 is an equidigital number, since it uses as much as digits as its factorization.

16431625607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 16431625607 in words is "sixteen billion, four hundred thirty-one million, six hundred twenty-five thousand, six hundred seven".