181838182002 has 32 divisors (see below), whose sum is σ = 377029658880. Its totient is φ = 58396208640.

The previous prime is 181838181979. The next prime is 181838182003. The reversal of 181838182002 is 200281838181.

It is not an unprimeable number, because it can be changed into a prime (181838182003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047999 + ... + 1209122.

It is an arithmetic number, because the mean of its divisors is an integer number (11782176840).

Almost surely, 2^181838182002 is an apocalyptic number.

181838182002 is an abundant number, since it is smaller than the sum of its proper divisors (195191476878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181838182002 is a wasteful number, since it uses less digits than its factorization.

181838182002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257618.

The product of its (nonzero) digits is 49152, while the sum is 42.

The spelling of 181838182002 in words is "one hundred eighty-one billion, eight hundred thirty-eight million, one hundred eighty-two thousand, two".