66460404462 has 16 divisors (see below), whose sum is σ = 132925691520. Its totient is φ = 22152654392.

The previous prime is 66460404431. The next prime is 66460404481. The reversal of 66460404462 is 26440406466.

It is a super-2 number, since 2×66460404462² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 12738 + ... + 364805.

It is an arithmetic number, because the mean of its divisors is an integer number (8307855720).

Almost surely, 2^66460404462 is an apocalyptic number.

66460404462 is an abundant number, since it is smaller than the sum of its proper divisors (66465287058).

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

66460404462 is a wasteful number, since it uses less digits than its factorization.

66460404462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406887.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 66460404462 in words is "sixty-six billion, four hundred sixty million, four hundred four thousand, four hundred sixty-two".