188661082 has 8 divisors (see below), whose sum is σ = 283055796. Its totient is φ = 94309152.

The previous prime is 188661073. The next prime is 188661097. The reversal of 188661082 is 280166881.

It can be written as a sum of positive squares in 2 ways, for example, as 163047361 + 25613721 = 12769^2 + 5061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×188661082² = 71186007722821448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848 + ... + 20020.

Almost surely, 2^188661082 is an apocalyptic number.

188661082 is a deficient number, since it is larger than the sum of its proper divisors (94394714).

188661082 is a wasteful number, since it uses less digits than its factorization.

188661082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21392.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 188661082 is about 13735.3952254749. The cubic root of 188661082 is about 573.5361195262.

The spelling of 188661082 in words is "one hundred eighty-eight million, six hundred sixty-one thousand, eighty-two".