16310997 has 16 divisors (see below), whose sum is σ = 24266880. Its totient is φ = 10827936.

The previous prime is 16310971. The next prime is 16311011. The reversal of 16310997 is 79901361.

It is not a de Polignac number, because 16310997 - 2⁸ = 16310741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16310297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5953 + ... + 8249.

It is an arithmetic number, because the mean of its divisors is an integer number (1516680).

Almost surely, 2^16310997 is an apocalyptic number.

It is an amenable number.

16310997 is a deficient number, since it is larger than the sum of its proper divisors (7955883).

16310997 is a wasteful number, since it uses less digits than its factorization.

16310997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 16310997 is about 4038.6875343359. The cubic root of 16310997 is about 253.6063766985.

The spelling of 16310997 in words is "sixteen million, three hundred ten thousand, nine hundred ninety-seven".