63466660 has 48 divisors (see below), whose sum is σ = 139853952. Its totient is φ = 24147200.

The previous prime is 63466649. The next prime is 63466673. The reversal of 63466660 is 6666436.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129015 + ... + 129505.

It is an arithmetic number, because the mean of its divisors is an integer number (2913624).

Almost surely, 2^63466660 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 63466660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69926976).

63466660 is an abundant number, since it is smaller than the sum of its proper divisors (76387292).

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

63466660 is a wasteful number, since it uses less digits than its factorization.

63466660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 63466660 is about 7966.5965129408. The cubic root of 63466660 is about 398.8857741337.

The spelling of 63466660 in words is "sixty-three million, four hundred sixty-six thousand, six hundred sixty".