16074661 has 2 divisors, whose sum is σ = 16074662. Its totient is φ = 16074660.

The previous prime is 16074637. The next prime is 16074679. The reversal of 16074661 is 16647061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14822500 + 1252161 = 3850^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 16074661 - 2⁵ = 16074629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16074601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8037330 + 8037331.

It is an arithmetic number, because the mean of its divisors is an integer number (8037331).

Almost surely, 2^16074661 is an apocalyptic number.

It is an amenable number.

16074661 is a deficient number, since it is larger than the sum of its proper divisors (1).

16074661 is an equidigital number, since it uses as much as digits as its factorization.

16074661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16074661 is about 4009.3217630916. The cubic root of 16074661 is about 252.3755475971.

The spelling of 16074661 in words is "sixteen million, seventy-four thousand, six hundred sixty-one".