16397083951 has 2 divisors, whose sum is σ = 16397083952. Its totient is φ = 16397083950.

The previous prime is 16397083949. The next prime is 16397084009. The reversal of 16397083951 is 15938079361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16397083951 - 2¹ = 16397083949 is a prime.

It is a super-2 number, since 2×16397083951² (a number of 21 digits) contains 22 as substring.

Together with 16397083949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16397083751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198541975 + 8198541976.

It is an arithmetic number, because the mean of its divisors is an integer number (8198541976).

Almost surely, 2^16397083951 is an apocalyptic number.

16397083951 is a deficient number, since it is larger than the sum of its proper divisors (1).

16397083951 is an equidigital number, since it uses as much as digits as its factorization.

16397083951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 16397083951 in words is "sixteen billion, three hundred ninety-seven million, eighty-three thousand, nine hundred fifty-one".