16334890 has 32 divisors (see below), whose sum is σ = 34546176. Its totient is φ = 5482560.

The previous prime is 16334887. The next prime is 16334891. The reversal of 16334890 is 9843361.

It is not an unprimeable number, because it can be changed into a prime (16334891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4282 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (1079568).

Almost surely, 2^16334890 is an apocalyptic number.

16334890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16334890 is an abundant number, since it is smaller than the sum of its proper divisors (18211286).

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

16334890 is a wasteful number, since it uses less digits than its factorization.

16334890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 16334890 is about 4041.6444672930. The cubic root of 16334890 is about 253.7301472007.

It can be divided in two parts, 163 and 34890, that added together give a palindrome (35053).

The spelling of 16334890 in words is "sixteen million, three hundred thirty-four thousand, eight hundred ninety".