16335380 has 12 divisors (see below), whose sum is σ = 34304340. Its totient is φ = 6534144.

The previous prime is 16335377. The next prime is 16335391. The reversal of 16335380 is 8353361.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 14273284 = 1436^2 + 3778^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408365 + ... + 408404.

It is an arithmetic number, because the mean of its divisors is an integer number (2858695).

Almost surely, 2^16335380 is an apocalyptic number.

16335380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16335380 is an abundant number, since it is smaller than the sum of its proper divisors (17968960).

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

16335380 is a wasteful number, since it uses less digits than its factorization.

16335380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816778 (or 816776 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 16335380 is about 4041.7050857281. The cubic root of 16335380 is about 253.7326842350.

The spelling of 16335380 in words is "sixteen million, three hundred thirty-five thousand, three hundred eighty".