66264610894 has 8 divisors (see below), whose sum is σ = 99755750808. Its totient is φ = 33012693960.

The previous prime is 66264610891. The next prime is 66264610927. The reversal of 66264610894 is 49801646266.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66264610891) 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, 59805052 + ... + 59806159.

It is an arithmetic number, because the mean of its divisors is an integer number (12469468851).

Almost surely, 2^66264610894 is an apocalyptic number.

66264610894 is a deficient number, since it is larger than the sum of its proper divisors (33491139914).

66264610894 is a wasteful number, since it uses less digits than its factorization.

66264610894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119611490.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 66264610894 in words is "sixty-six billion, two hundred sixty-four million, six hundred ten thousand, eight hundred ninety-four".