188013672 has 144 divisors (see below), whose sum is σ = 639868320. Its totient is φ = 48818880.

The previous prime is 188013647. The next prime is 188013697. The reversal of 188013672 is 276310881.

188013672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (188013647) and next prime (188013697).

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59443 + ... + 62525.

It is an arithmetic number, because the mean of its divisors is an integer number (4443530).

Almost surely, 2^188013672 is an apocalyptic number.

188013672 is a gapful number since it is divisible by the number (12) 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 188013672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319934160).

188013672 is an abundant number, since it is smaller than the sum of its proper divisors (451854648).

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

188013672 is a wasteful number, since it uses less digits than its factorization.

188013672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 188013672 is about 13711.8077582790. The cubic root of 188013672 is about 572.8793181697.

The spelling of 188013672 in words is "one hundred eighty-eight million, thirteen thousand, six hundred seventy-two".