653412144 has 80 divisors (see below), whose sum is σ = 2104508160. Its totient is φ = 169716480.

The previous prime is 653412091. The next prime is 653412167. The reversal of 653412144 is 441214356.

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, 84699 + ... + 92090.

It is an arithmetic number, because the mean of its divisors is an integer number (26306352).

Almost surely, 2^653412144 is an apocalyptic number.

It is an amenable number.

653412144 is an abundant number, since it is smaller than the sum of its proper divisors (1451096016).

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

653412144 is a wasteful number, since it uses less digits than its factorization.

653412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176818 (or 176812 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 653412144 is about 25561.9276268438. The cubic root of 653412144 is about 867.7522210354.

The spelling of 653412144 in words is "six hundred fifty-three million, four hundred twelve thousand, one hundred forty-four".