16164971 has 2 divisors, whose sum is σ = 16164972. Its totient is φ = 16164970.

The previous prime is 16164959. The next prime is 16164979. The reversal of 16164971 is 17946161.

It is a strong prime.

It is an emirp because it is prime and its reverse (17946161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16164971 - 2¹⁸ = 15902827 is a prime.

It is a super-2 number, since 2×16164971² = 522612574861682, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16164979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8082485 + 8082486.

It is an arithmetic number, because the mean of its divisors is an integer number (8082486).

Almost surely, 2^16164971 is an apocalyptic number.

16164971 is a deficient number, since it is larger than the sum of its proper divisors (1).

16164971 is an equidigital number, since it uses as much as digits as its factorization.

16164971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 16164971 is about 4020.5684921414. The cubic root of 16164971 is about 252.8472938926.

The spelling of 16164971 in words is "sixteen million, one hundred sixty-four thousand, nine hundred seventy-one".