16089690 has 16 divisors (see below), whose sum is σ = 38615328. Its totient is φ = 4290576.

The previous prime is 16089677. The next prime is 16089707. The reversal of 16089690 is 9698061.

16089690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16089690² = 517756248592200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268132 + ... + 268191.

It is an arithmetic number, because the mean of its divisors is an integer number (2413458).

Almost surely, 2^16089690 is an apocalyptic number.

16089690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16089690 is an abundant number, since it is smaller than the sum of its proper divisors (22525638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16089690 is a wasteful number, since it uses less digits than its factorization.

16089690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536333.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 16089690 is about 4011.1955823669. The cubic root of 16089690 is about 252.4541759146.

The spelling of 16089690 in words is "sixteen million, eighty-nine thousand, six hundred ninety".