66667327934 has 8 divisors (see below), whose sum is σ = 100637941368. Its totient is φ = 33121347480.

The previous prime is 66667327897. The next prime is 66667327973. The reversal of 66667327934 is 43972376666.

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

It is a super-2 number, since 2×66667327934² (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 3 ways as a sum of consecutive naturals, for example, 106157852 + ... + 106158479.

It is an arithmetic number, because the mean of its divisors is an integer number (12579742671).

Almost surely, 2^66667327934 is an apocalyptic number.

66667327934 is a deficient number, since it is larger than the sum of its proper divisors (33970613434).

66667327934 is a wasteful number, since it uses less digits than its factorization.

66667327934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212316490.

The product of its digits is 41150592, while the sum is 59.

The spelling of 66667327934 in words is "sixty-six billion, six hundred sixty-seven million, three hundred twenty-seven thousand, nine hundred thirty-four".