66162612 has 12 divisors (see below), whose sum is σ = 154379456. Its totient is φ = 22054200.

The previous prime is 66162611. The next prime is 66162641. The reversal of 66162612 is 21626166.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 66162612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66162611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756764 + ... + 2756787.

Almost surely, 2^66162612 is an apocalyptic number.

It is an amenable number.

66162612 is an abundant number, since it is smaller than the sum of its proper divisors (88216844).

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

66162612 is a wasteful number, since it uses less digits than its factorization.

66162612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513558 (or 5513556 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 66162612 is about 8134.0403244636. The cubic root of 66162612 is about 404.4556258789.

Adding to 66162612 its reverse (21626166), we get a palindrome (87788778).

The spelling of 66162612 in words is "sixty-six million, one hundred sixty-two thousand, six hundred twelve".