66110543033662 has 4 divisors (see below), whose sum is σ = 99165814550496. Its totient is φ = 33055271516830.

The previous prime is 66110543033653. The next prime is 66110543033701. The reversal of 66110543033662 is 26633034501166.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16527635758414 + ... + 16527635758417.

It is an arithmetic number, because the mean of its divisors is an integer number (24791453637624).

Almost surely, 2^{66110543033662} is an apocalyptic number.

66110543033662 is a deficient number, since it is larger than the sum of its proper divisors (33055271516834).

66110543033662 is a wasteful number, since it uses less digits than its factorization.

66110543033662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33055271516833.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 66110543033662 in words is "sixty-six trillion, one hundred ten billion, five hundred forty-three million, thirty-three thousand, six hundred sixty-two".