4001466658518 has 64 divisors (see below), whose sum is σ = 10206070917120. Its totient is φ = 1138369398336.

The previous prime is 4001466658481. The next prime is 4001466658523. The reversal of 4001466658518 is 8158566641004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22628430 + ... + 22804577.

It is an arithmetic number, because the mean of its divisors is an integer number (159469858080).

Almost surely, 2^{4001466658518} is an apocalyptic number.

4001466658518 is an abundant number, since it is smaller than the sum of its proper divisors (6204604258602).

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

4001466658518 is a wasteful number, since it uses less digits than its factorization.

4001466658518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45433258 (or 45433252 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 4001466658518 in words is "four trillion, one billion, four hundred sixty-six million, six hundred fifty-eight thousand, five hundred eighteen".