16113720 has 64 divisors (see below), whose sum is σ = 55249920. Its totient is φ = 3682944.

The previous prime is 16113719. The next prime is 16113733. The reversal of 16113720 is 2731161.

16113720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8752 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (863280).

Almost surely, 2^16113720 is an apocalyptic number.

16113720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16113720 is an abundant number, since it is smaller than the sum of its proper divisors (39136200).

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

16113720 is a wasteful number, since it uses less digits than its factorization.

16113720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19204 (or 19200 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 16113720 is about 4014.1898310867. The cubic root of 16113720 is about 252.5797937533.

Adding to 16113720 its reverse (2731161), we get a palindrome (18844881).

The spelling of 16113720 in words is "sixteen million, one hundred thirteen thousand, seven hundred twenty".