66462626466 has 16 divisors (see below), whose sum is σ = 147694725600. Its totient is φ = 22154208804.

The previous prime is 66462626423. The next prime is 66462626479.

66462626466 is a `hidden beast` number, since 6 + 6 + 4 + 6 + 2 + 626 + 4 + 6 + 6 = 666.

66462626466 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1230789379 = 66462626466 / (6 + 6 + 4 + 6 + 2 + 6 + 2 + 6 + 4 + 6 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615394636 + ... + 615394743.

It is an arithmetic number, because the mean of its divisors is an integer number (9230920350).

Almost surely, 2^66462626466 is an apocalyptic number.

66462626466 is an abundant number, since it is smaller than the sum of its proper divisors (81232099134).

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

66462626466 is a wasteful number, since it uses less digits than its factorization.

66462626466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230789390 (or 1230789384 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 54.

The spelling of 66462626466 in words is "sixty-six billion, four hundred sixty-two million, six hundred twenty-six thousand, four hundred sixty-six".