66179064 has 64 divisors (see below), whose sum is σ = 193501440. Its totient is φ = 18466560.

The previous prime is 66179059. The next prime is 66179077. The reversal of 66179064 is 46097166.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (3023460).

Almost surely, 2^66179064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66179064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96750720).

66179064 is an abundant number, since it is smaller than the sum of its proper divisors (127322376).

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

66179064 is a wasteful number, since it uses less digits than its factorization.

66179064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220 (or 9216 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 66179064 is about 8135.0515671383. The cubic root of 66179064 is about 404.4891470892.

The spelling of 66179064 in words is "sixty-six million, one hundred seventy-nine thousand, sixty-four".