188132630 has 16 divisors (see below), whose sum is σ = 387015840. Its totient is φ = 64502592.

The previous prime is 188132627. The next prime is 188132671. The reversal of 188132630 is 36231881.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343735 + ... + 1343874.

It is an arithmetic number, because the mean of its divisors is an integer number (24188490).

Almost surely, 2^188132630 is an apocalyptic number.

188132630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188132630 is an abundant number, since it is smaller than the sum of its proper divisors (198883210).

188132630 is a wasteful number, since it uses less digits than its factorization.

188132630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687623.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 188132630 is about 13716.1448665432. The cubic root of 188132630 is about 573.0001147223. Note that the first 3 decimals are identical.

The spelling of 188132630 in words is "one hundred eighty-eight million, one hundred thirty-two thousand, six hundred thirty".