66317104 has 40 divisors (see below), whose sum is σ = 148517280. Its totient is φ = 28098048.

The previous prime is 66317099. The next prime is 66317107. The reversal of 66317104 is 40171366.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (66317107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6642 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (3712932).

Almost surely, 2^66317104 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 66317104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74258640).

66317104 is an abundant number, since it is smaller than the sum of its proper divisors (82200176).

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

66317104 is a wasteful number, since it uses less digits than its factorization.

66317104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66317104 is about 8143.5314207044. The cubic root of 66317104 is about 404.7701871528.

The spelling of 66317104 in words is "sixty-six million, three hundred seventeen thousand, one hundred four".