66707160 has 128 divisors (see below), whose sum is σ = 219360960. Its totient is φ = 16128000.

The previous prime is 66707101. The next prime is 66707171. The reversal of 66707160 is 6170766.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94810 + ... + 95510.

Almost surely, 2^66707160 is an apocalyptic number.

66707160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66707160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109680480).

66707160 is an abundant number, since it is smaller than the sum of its proper divisors (152653800).

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

66707160 is a wasteful number, since it uses less digits than its factorization.

66707160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 66707160 is about 8167.4451329654. The cubic root of 66707160 is about 405.5622126330.

The spelling of 66707160 in words is "sixty-six million, seven hundred seven thousand, one hundred sixty".