182081988 has 36 divisors (see below), whose sum is σ = 502105968. Its totient is φ = 55176240.

The previous prime is 182081983. The next prime is 182082013. The reversal of 182081988 is 889180281.

182081988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (182081983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229506 + ... + 230297.

It is an arithmetic number, because the mean of its divisors is an integer number (13947388).

Almost surely, 2^182081988 is an apocalyptic number.

182081988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

182081988 is an abundant number, since it is smaller than the sum of its proper divisors (320023980).

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

182081988 is a wasteful number, since it uses less digits than its factorization.

182081988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459824 (or 459819 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The square root of 182081988 is about 13493.7758985393. The cubic root of 182081988 is about 566.7901951383.

The spelling of 182081988 in words is "one hundred eighty-two million, eighty-one thousand, nine hundred eighty-eight".