63165144 has 32 divisors (see below), whose sum is σ = 180472320. Its totient is φ = 18047136.

The previous prime is 63165143. The next prime is 63165163. The reversal of 63165144 is 44156136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63165143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187824 + ... + 188159.

It is an arithmetic number, because the mean of its divisors is an integer number (5639760).

Almost surely, 2^63165144 is an apocalyptic number.

It is an amenable number.

63165144 is an abundant number, since it is smaller than the sum of its proper divisors (117307176).

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

63165144 is a wasteful number, since it uses less digits than its factorization.

63165144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375999 (or 375995 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 63165144 is about 7947.6502187754. The cubic root of 63165144 is about 398.2530986117.

The spelling of 63165144 in words is "sixty-three million, one hundred sixty-five thousand, one hundred forty-four".