188351052 has 12 divisors (see below), whose sum is σ = 439485816. Its totient is φ = 62783680.

The previous prime is 188350927. The next prime is 188351057. The reversal of 188351052 is 250153881.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×188351052² = 70952237579013408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188351057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7847949 + ... + 7847972.

It is an arithmetic number, because the mean of its divisors is an integer number (36623818).

Almost surely, 2^188351052 is an apocalyptic number.

188351052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188351052 is an abundant number, since it is smaller than the sum of its proper divisors (251134764).

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

188351052 is a wasteful number, since it uses less digits than its factorization.

188351052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695928 (or 15695926 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 188351052 is about 13724.1047795476. The cubic root of 188351052 is about 573.2217800212.

The spelling of 188351052 in words is "one hundred eighty-eight million, three hundred fifty-one thousand, fifty-two".