181214960 has 40 divisors (see below), whose sum is σ = 428477040. Its totient is φ = 71255552.

The previous prime is 181214941. The next prime is 181214993. The reversal of 181214960 is 69412181.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14477 + ... + 23916.

It is an arithmetic number, because the mean of its divisors is an integer number (10711926).

Almost surely, 2^181214960 is an apocalyptic number.

181214960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

181214960 is an abundant number, since it is smaller than the sum of its proper divisors (247262080).

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

181214960 is a wasteful number, since it uses less digits than its factorization.

181214960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38465 (or 38459 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 181214960 is about 13461.6106020045. The cubic root of 181214960 is about 565.8891266050.

The spelling of 181214960 in words is "one hundred eighty-one million, two hundred fourteen thousand, nine hundred sixty".