66162732 has 24 divisors (see below), whose sum is σ = 154526400. Its totient is φ = 22033296.

The previous prime is 66162727. The next prime is 66162739. The reversal of 66162732 is 23726166.

It is a super-3 number, since 3×66162732³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66162693 and 66162702.

It is not an unprimeable number, because it can be changed into a prime (66162739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15619 + ... + 19397.

It is an arithmetic number, because the mean of its divisors is an integer number (6438600).

Almost surely, 2^66162732 is an apocalyptic number.

It is an amenable number.

66162732 is an abundant number, since it is smaller than the sum of its proper divisors (88363668).

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

66162732 is a wasteful number, since it uses less digits than its factorization.

66162732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5243 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 66162732 is about 8134.0477008682. The cubic root of 66162732 is about 404.4558704009.

Adding to 66162732 its reverse (23726166), we get a palindrome (89888898).

The spelling of 66162732 in words is "sixty-six million, one hundred sixty-two thousand, seven hundred thirty-two".