16574990 has 16 divisors (see below), whose sum is σ = 30214080. Its totient is φ = 6545760.

The previous prime is 16574969. The next prime is 16574993. The reversal of 16574990 is 9947561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16574993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9701 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (1888380).

Almost surely, 2^16574990 is an apocalyptic number.

16574990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16574990 is a deficient number, since it is larger than the sum of its proper divisors (13639090).

16574990 is a wasteful number, since it uses less digits than its factorization.

16574990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21067.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16574990 is about 4071.2393690374. The cubic root of 16574990 is about 254.9672647970.

The spelling of 16574990 in words is "sixteen million, five hundred seventy-four thousand, nine hundred ninety".