16140804 has 24 divisors (see below), whose sum is σ = 39644640. Its totient is φ = 5097024.

The previous prime is 16140793. The next prime is 16140833. The reversal of 16140804 is 40804161.

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, 35169 + ... + 35624.

It is an arithmetic number, because the mean of its divisors is an integer number (1651860).

Almost surely, 2^16140804 is an apocalyptic number.

It is an amenable number.

16140804 is an abundant number, since it is smaller than the sum of its proper divisors (23503836).

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

16140804 is a wasteful number, since it uses less digits than its factorization.

16140804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70819 (or 70817 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 16140804 is about 4017.5619472511. The cubic root of 16140804 is about 252.7212268921.

Adding to 16140804 its reverse (40804161), we get a palindrome (56944965).

The spelling of 16140804 in words is "sixteen million, one hundred forty thousand, eight hundred four".