16320902890 has 16 divisors (see below), whose sum is σ = 29413163232. Its totient is φ = 6520463824.

The previous prime is 16320902861. The next prime is 16320902903. The reversal of 16320902890 is 9820902361.

It is a happy number.

It is a super-2 number, since 2×16320902890² (a number of 21 digits) 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, 978484 + ... + 995023.

It is an arithmetic number, because the mean of its divisors is an integer number (1838322702).

Almost surely, 2^16320902890 is an apocalyptic number.

16320902890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16320902890 is a deficient number, since it is larger than the sum of its proper divisors (13092260342).

16320902890 is a wasteful number, since it uses less digits than its factorization.

16320902890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974341.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 16320902890 in words is "sixteen billion, three hundred twenty million, nine hundred two thousand, eight hundred ninety".