66170746622 has 8 divisors (see below), whose sum is σ = 101367952416. Its totient is φ = 32381429152.

The previous prime is 66170746591. The next prime is 66170746667. The reversal of 66170746622 is 22664707166.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 351971963 + ... + 351972150.

It is an arithmetic number, because the mean of its divisors is an integer number (12670994052).

Almost surely, 2^66170746622 is an apocalyptic number.

66170746622 is a deficient number, since it is larger than the sum of its proper divisors (35197205794).

66170746622 is a wasteful number, since it uses less digits than its factorization.

66170746622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703944162.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 66170746622 in words is "sixty-six billion, one hundred seventy million, seven hundred forty-six thousand, six hundred twenty-two".