63166620 has 48 divisors (see below), whose sum is σ = 192947328. Its totient is φ = 15312960.

The previous prime is 63166603. The next prime is 63166633. The reversal of 63166620 is 2666136.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 47194 + ... + 48513.

It is an arithmetic number, because the mean of its divisors is an integer number (4019736).

Almost surely, 2^63166620 is an apocalyptic number.

63166620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63166620 is an abundant number, since it is smaller than the sum of its proper divisors (129780708).

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

63166620 is a wasteful number, since it uses less digits than its factorization.

63166620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95730 (or 95728 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 63166620 is about 7947.7430758675. The cubic root of 63166620 is about 398.2562006231.

The spelling of 63166620 in words is "sixty-three million, one hundred sixty-six thousand, six hundred twenty".