16071889 has 2 divisors, whose sum is σ = 16071890. Its totient is φ = 16071888.

The previous prime is 16071883. The next prime is 16071901. The reversal of 16071889 is 98817061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9102289 + 6969600 = 3017^2 + 2640^2 .

It is a cyclic number.

It is not a de Polignac number, because 16071889 - 2⁷ = 16071761 is a prime.

It is not a weakly prime, because it can be changed into another prime (16071883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035944 + 8035945.

It is an arithmetic number, because the mean of its divisors is an integer number (8035945).

Almost surely, 2^16071889 is an apocalyptic number.

It is an amenable number.

16071889 is a deficient number, since it is larger than the sum of its proper divisors (1).

16071889 is an equidigital number, since it uses as much as digits as its factorization.

16071889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 16071889 is about 4008.9760538073. The cubic root of 16071889 is about 252.3610397694.

The spelling of 16071889 in words is "sixteen million, seventy-one thousand, eight hundred eighty-nine".