16116840 has 64 divisors (see below), whose sum is σ = 53726400. Its totient is φ = 4297536.

The previous prime is 16116839. The next prime is 16116847. The reversal of 16116840 is 4861161.

16116840 is a `hidden beast` number, since 1 + 611 + 6 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16116847) 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, 6382 + ... + 8541.

It is an arithmetic number, because the mean of its divisors is an integer number (839475).

Almost surely, 2^16116840 is an apocalyptic number.

16116840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16116840 is an abundant number, since it is smaller than the sum of its proper divisors (37609560).

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

16116840 is a wasteful number, since it uses less digits than its factorization.

16116840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14943 (or 14933 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 16116840 is about 4014.5784336590. The cubic root of 16116840 is about 252.5960945227.

The spelling of 16116840 in words is "sixteen million, one hundred sixteen thousand, eight hundred forty".