66013795084 has 12 divisors (see below), whose sum is σ = 115543150408. Its totient is φ = 33001466400.

The previous prime is 66013795079. The next prime is 66013795087. The reversal of 66013795084 is 48059731066.

It is a super-2 number, since 2×66013795084² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (66013795087) 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, 1330377 + ... + 1379104.

Almost surely, 2^66013795084 is an apocalyptic number.

It is an amenable number.

66013795084 is a deficient number, since it is larger than the sum of its proper divisors (49529355324).

66013795084 is a wasteful number, since it uses less digits than its factorization.

66013795084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715576 (or 2715574 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 66013795084 in words is "sixty-six billion, thirteen million, seven hundred ninety-five thousand, eighty-four".