63165642 has 32 divisors (see below), whose sum is σ = 134410752. Its totient is φ = 19720704.

The previous prime is 63165637. The next prime is 63165643. The reversal of 63165642 is 24656136.

It is not an unprimeable number, because it can be changed into a prime (63165643) 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, 21358 + ... + 24134.

It is an arithmetic number, because the mean of its divisors is an integer number (4200336).

Almost surely, 2^63165642 is an apocalyptic number.

63165642 is an abundant number, since it is smaller than the sum of its proper divisors (71245110).

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

63165642 is a wasteful number, since it uses less digits than its factorization.

63165642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022.

The product of its digits is 25920, while the sum is 33.

The square root of 63165642 is about 7947.6815487285. The cubic root of 63165642 is about 398.2541452307.

The spelling of 63165642 in words is "sixty-three million, one hundred sixty-five thousand, six hundred forty-two".