16377828 has 24 divisors (see below), whose sum is σ = 39248832. Its totient is φ = 5311584.

The previous prime is 16377811. The next prime is 16377833. The reversal of 16377828 is 82877361.

It is a self number, because there is not a number n which added to its sum of digits gives 16377828.

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, 18000 + ... + 18887.

It is an arithmetic number, because the mean of its divisors is an integer number (1635368).

Almost surely, 2^16377828 is an apocalyptic number.

It is an amenable number.

16377828 is an abundant number, since it is smaller than the sum of its proper divisors (22871004).

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

16377828 is a wasteful number, since it uses less digits than its factorization.

16377828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36931 (or 36929 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 16377828 is about 4046.9529278211. The cubic root of 16377828 is about 253.9522716033.

It can be divided in two parts, 16377 and 828, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 16377828 in words is "sixteen million, three hundred seventy-seven thousand, eight hundred twenty-eight".