66130430654 has 8 divisors (see below), whose sum is σ = 99197671800. Its totient is φ = 33064540056.

The previous prime is 66130430621. The next prime is 66130430659. The reversal of 66130430654 is 45603403166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130430659) 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, 204764 + ... + 417359.

It is an arithmetic number, because the mean of its divisors is an integer number (12399708975).

Almost surely, 2^66130430654 is an apocalyptic number.

66130430654 is a deficient number, since it is larger than the sum of its proper divisors (33067241146).

66130430654 is a wasteful number, since it uses less digits than its factorization.

66130430654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675274.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 66130430654 in words is "sixty-six billion, one hundred thirty million, four hundred thirty thousand, six hundred fifty-four".