66596760 has 96 divisors (see below), whose sum is σ = 223938000. Its totient is φ = 17144064.

The previous prime is 66596687. The next prime is 66596801. The reversal of 66596760 is 6769566.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7251 + ... + 13629.

Almost surely, 2^66596760 is an apocalyptic number.

66596760 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 66596760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111969000).

66596760 is an abundant number, since it is smaller than the sum of its proper divisors (157341240).

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

66596760 is a wasteful number, since it uses less digits than its factorization.

66596760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 66596760 is about 8160.6837948790. The cubic root of 66596760 is about 405.3383546479.

The spelling of 66596760 in words is "sixty-six million, five hundred ninety-six thousand, seven hundred sixty".