16450690 has 16 divisors (see below), whose sum is σ = 29745792. Its totient is φ = 6550384.

The previous prime is 16450657. The next prime is 16450699. The reversal of 16450690 is 9605461.

It is a super-2 number, since 2×16450690² = 541250402952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16450699) 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, 1354 + ... + 5893.

It is an arithmetic number, because the mean of its divisors is an integer number (1859112).

Almost surely, 2^16450690 is an apocalyptic number.

16450690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16450690 is a deficient number, since it is larger than the sum of its proper divisors (13295102).

16450690 is a wasteful number, since it uses less digits than its factorization.

16450690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 16450690 is about 4055.9450193512. The cubic root of 16450690 is about 254.3283104467.

The spelling of 16450690 in words is "sixteen million, four hundred fifty thousand, six hundred ninety".