188955946730 has 32 divisors (see below), whose sum is σ = 360172066320. Its totient is φ = 71127613440.

The previous prime is 188955946721. The next prime is 188955946741. The reversal of 188955946730 is 37649559881.

It can be written as a sum of positive squares in 8 ways, for example, as 160245694249 + 28710252481 = 400307^2 + 169441^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413170 + ... + 1541090.

Almost surely, 2^188955946730 is an apocalyptic number.

188955946730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188955946730 is a deficient number, since it is larger than the sum of its proper divisors (171216119590).

188955946730 is a wasteful number, since it uses less digits than its factorization.

188955946730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136634.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 188955946730 in words is "one hundred eighty-eight billion, nine hundred fifty-five million, nine hundred forty-six thousand, seven hundred thirty".