63148818 has 32 divisors (see below), whose sum is σ = 133401600. Its totient is φ = 19873296.

The previous prime is 63148817. The next prime is 63148831. The reversal of 63148818 is 81884136.

It is not an unprimeable number, because it can be changed into a prime (63148817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40155 + ... + 41697.

It is an arithmetic number, because the mean of its divisors is an integer number (4168800).

Almost surely, 2^63148818 is an apocalyptic number.

63148818 is an abundant number, since it is smaller than the sum of its proper divisors (70252782).

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

63148818 is a wasteful number, since it uses less digits than its factorization.

63148818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its digits is 36864, while the sum is 39.

The square root of 63148818 is about 7946.6230563680. The cubic root of 63148818 is about 398.2187841152.

The spelling of 63148818 in words is "sixty-three million, one hundred forty-eight thousand, eight hundred eighteen".