66160100 has 36 divisors (see below), whose sum is σ = 144001200. Its totient is φ = 26384160.

The previous prime is 66160099. The next prime is 66160103. The reversal of 66160100 is 106166.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (66160103) 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, 41111 + ... + 42689.

Almost surely, 2^66160100 is an apocalyptic number.

It is an amenable number.

66160100 is an abundant number, since it is smaller than the sum of its proper divisors (77841100).

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

66160100 is a wasteful number, since it uses less digits than its factorization.

66160100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 66160100 is about 8133.8859101908. The cubic root of 66160100 is about 404.4505071501.

Adding to 66160100 its reverse (106166), we get a palindrome (66266266).

The spelling of 66160100 in words is "sixty-six million, one hundred sixty thousand, one hundred".