16345380 has 24 divisors (see below), whose sum is σ = 45767232. Its totient is φ = 4358752.

The previous prime is 16345369. The next prime is 16345403. The reversal of 16345380 is 8354361.

16345380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 136152 + ... + 136271.

It is an arithmetic number, because the mean of its divisors is an integer number (1906968).

Almost surely, 2^16345380 is an apocalyptic number.

16345380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16345380 is an abundant number, since it is smaller than the sum of its proper divisors (29421852).

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

16345380 is a wasteful number, since it uses less digits than its factorization.

16345380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272435 (or 272433 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 16345380 is about 4042.9419980999. The cubic root of 16345380 is about 253.7844493661.

The spelling of 16345380 in words is "sixteen million, three hundred forty-five thousand, three hundred eighty".