16897400951 has 2 divisors, whose sum is σ = 16897400952. Its totient is φ = 16897400950.

The previous prime is 16897400921. The next prime is 16897401023. The reversal of 16897400951 is 15900479861.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16897400951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16897400951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16897400921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8448700475 + 8448700476.

It is an arithmetic number, because the mean of its divisors is an integer number (8448700476).

Almost surely, 2^16897400951 is an apocalyptic number.

16897400951 is a deficient number, since it is larger than the sum of its proper divisors (1).

16897400951 is an equidigital number, since it uses as much as digits as its factorization.

16897400951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 16897400951 in words is "sixteen billion, eight hundred ninety-seven million, four hundred thousand, nine hundred fifty-one".