16495920 has 160 divisors (see below), whose sum is σ = 64995840. Its totient is φ = 3767040.

The previous prime is 16495907. The next prime is 16495931. The reversal of 16495920 is 2959461.

16495920 is a `hidden beast` number, since 1 + 64 + 9 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14575 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^16495920 is an apocalyptic number.

16495920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16495920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32497920).

16495920 is an abundant number, since it is smaller than the sum of its proper divisors (48499920).

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

16495920 is a wasteful number, since it uses less digits than its factorization.

16495920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 16495920 is about 4061.5169579850. The cubic root of 16495920 is about 254.5611830108.

It can be divided in two parts, 1649 and 5920, that added together give a square (7569 = 87²).

The spelling of 16495920 in words is "sixteen million, four hundred ninety-five thousand, nine hundred twenty".