188425116 has 72 divisors (see below), whose sum is σ = 538871424. Its totient is φ = 57095280.

The previous prime is 188425103. The next prime is 188425121. The reversal of 188425116 is 611524881.

It is a super-2 number, since 2×188425116² = 71008048679226912, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1881 + ... + 19503.

Almost surely, 2^188425116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188425116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269435712).

188425116 is an abundant number, since it is smaller than the sum of its proper divisors (350446308).

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

188425116 is a wasteful number, since it uses less digits than its factorization.

188425116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17653 (or 17639 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 188425116 is about 13726.8028324151. The cubic root of 188425116 is about 573.2969048725.

Adding to 188425116 its reverse (611524881), we get a palindrome (799949997).

It can be divided in two parts, 1884 and 25116, that added together give a cube (27000 = 30³).

The spelling of 188425116 in words is "one hundred eighty-eight million, four hundred twenty-five thousand, one hundred sixteen".