16930971 has 8 divisors (see below), whose sum is σ = 25082960. Its totient is φ = 11287296.

The previous prime is 16930943. The next prime is 16930993. The reversal of 16930971 is 17903961.

It is not a de Polignac number, because 16930971 - 2²³ = 8542363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16930471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313510 + ... + 313563.

It is an arithmetic number, because the mean of its divisors is an integer number (3135370).

Almost surely, 2^16930971 is an apocalyptic number.

16930971 is a deficient number, since it is larger than the sum of its proper divisors (8151989).

16930971 is an equidigital number, since it uses as much as digits as its factorization.

16930971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627082 (or 627076 counting only the distinct ones).

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

The square root of 16930971 is about 4114.7261148222. The cubic root of 16930971 is about 256.7796614602.

The spelling of 16930971 in words is "sixteen million, nine hundred thirty thousand, nine hundred seventy-one".