66481150 has 12 divisors (see below), whose sum is σ = 123655032. Its totient is φ = 26592440.

The previous prime is 66481147. The next prime is 66481159. The reversal of 66481150 is 5118466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66481159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664762 + ... + 664861.

It is an arithmetic number, because the mean of its divisors is an integer number (10304586).

Almost surely, 2^66481150 is an apocalyptic number.

66481150 is a deficient number, since it is larger than the sum of its proper divisors (57173882).

66481150 is a wasteful number, since it uses less digits than its factorization.

66481150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329635 (or 1329630 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 66481150 is about 8153.5973655804. The cubic root of 66481150 is about 405.1036670050.

The spelling of 66481150 in words is "sixty-six million, four hundred eighty-one thousand, one hundred fifty".