16072961 has 2 divisors, whose sum is σ = 16072962. Its totient is φ = 16072960.

The previous prime is 16072933. The next prime is 16072999. The reversal of 16072961 is 16927061.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 3682561 = 3520^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072961 - 2⁶ = 16072897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16077961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8036480 + 8036481.

It is an arithmetic number, because the mean of its divisors is an integer number (8036481).

Almost surely, 2^16072961 is an apocalyptic number.

It is an amenable number.

16072961 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072961 is an equidigital number, since it uses as much as digits as its factorization.

16072961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 16072961 is about 4009.1097515533. The cubic root of 16072961 is about 252.3666504980.

The spelling of 16072961 in words is "sixteen million, seventy-two thousand, nine hundred sixty-one".