64966080 has 224 divisors, whose sum is σ = 222382080. Its totient is φ = 16035840.

The previous prime is 64966067. The next prime is 64966087. The reversal of 64966080 is 8066946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64966087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101091 + ... + 1101149.

Almost surely, 2^64966080 is an apocalyptic number.

64966080 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 64966080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111191040).

64966080 is an abundant number, since it is smaller than the sum of its proper divisors (157416000).

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

64966080 is a wasteful number, since it uses less digits than its factorization.

64966080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 64966080 is about 8060.1538446856. The cubic root of 64966080 is about 402.0026236803.

The spelling of 64966080 in words is "sixty-four million, nine hundred sixty-six thousand, eighty".