66182748 has 24 divisors (see below), whose sum is σ = 155645952. Its totient is φ = 21886704.

The previous prime is 66182747. The next prime is 66182759. The reversal of 66182748 is 84728166.

It is a super-2 number, since 2×66182748² = 8760312265663008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66182747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20190 + ... + 23237.

It is an arithmetic number, because the mean of its divisors is an integer number (6485248).

Almost surely, 2^66182748 is an apocalyptic number.

It is an amenable number.

66182748 is an abundant number, since it is smaller than the sum of its proper divisors (89463204).

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

66182748 is a wasteful number, since it uses less digits than its factorization.

66182748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43561 (or 43559 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 66182748 is about 8135.2779915624. The cubic root of 66182748 is about 404.4966525362.

The spelling of 66182748 in words is "sixty-six million, one hundred eighty-two thousand, seven hundred forty-eight".