182769881990 has 64 divisors (see below), whose sum is σ = 343574784000. Its totient is φ = 69958412160.

The previous prime is 182769881969. The next prime is 182769882059. The reversal of 182769881990 is 99188967281.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 182769881990.

It is a congruent number.

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, 3281696 + ... + 3336924.

It is an arithmetic number, because the mean of its divisors is an integer number (5368356000).

Almost surely, 2^182769881990 is an apocalyptic number.

182769881990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

182769881990 is a deficient number, since it is larger than the sum of its proper divisors (160804902010).

182769881990 is a wasteful number, since it uses less digits than its factorization.

182769881990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55445.

The product of its (nonzero) digits is 31352832, while the sum is 68.

The spelling of 182769881990 in words is "one hundred eighty-two billion, seven hundred sixty-nine million, eight hundred eighty-one thousand, nine hundred ninety".