66246960 has 160 divisors (see below), whose sum is σ = 234360000. Its totient is φ = 15335424.

The previous prime is 66246941. The next prime is 66246997. The reversal of 66246960 is 6964266.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 52416 + ... + 53664.

It is an arithmetic number, because the mean of its divisors is an integer number (1464750).

Almost surely, 2^66246960 is an apocalyptic number.

66246960 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 66246960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117180000).

66246960 is an abundant number, since it is smaller than the sum of its proper divisors (168113040).

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

66246960 is a wasteful number, since it uses less digits than its factorization.

66246960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 66246960 is about 8139.2235501920. The cubic root of 66246960 is about 404.6274275207.

The spelling of 66246960 in words is "sixty-six million, two hundred forty-six thousand, nine hundred sixty".