188720896330 has 64 divisors (see below), whose sum is σ = 345717694080. Its totient is φ = 74164564224.

The previous prime is 188720896313. The next prime is 188720896361. The reversal of 188720896330 is 33698027881.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98961237 + ... + 98963143.

It is an arithmetic number, because the mean of its divisors is an integer number (5401838970).

Almost surely, 2^188720896330 is an apocalyptic number.

188720896330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188720896330 is a deficient number, since it is larger than the sum of its proper divisors (156996797750).

188720896330 is a wasteful number, since it uses less digits than its factorization.

188720896330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 188720896330 in words is "one hundred eighty-eight billion, seven hundred twenty million, eight hundred ninety-six thousand, three hundred thirty".