16097971 has 2 divisors, whose sum is σ = 16097972. Its totient is φ = 16097970.

The previous prime is 16097969. The next prime is 16098001. The reversal of 16097971 is 17979061.

It is a weak prime.

It is an emirp because it is prime and its reverse (17979061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16097971 - 2¹ = 16097969 is a prime.

Together with 16097969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16097951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8048985 + 8048986.

It is an arithmetic number, because the mean of its divisors is an integer number (8048986).

Almost surely, 2^16097971 is an apocalyptic number.

16097971 is a deficient number, since it is larger than the sum of its proper divisors (1).

16097971 is an equidigital number, since it uses as much as digits as its factorization.

16097971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 16097971 is about 4012.2276854635. The cubic root of 16097971 is about 252.4974793069.

The spelling of 16097971 in words is "sixteen million, ninety-seven thousand, nine hundred seventy-one".