180913648 has 20 divisors (see below), whose sum is σ = 359070768. Its totient is φ = 88250240.

The previous prime is 180913631. The next prime is 180913657. The reversal of 180913648 is 846319081.

It is a self number, because there is not a number n which added to its sum of digits gives 180913648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137236 + ... + 138547.

Almost surely, 2^180913648 is an apocalyptic number.

It is an amenable number.

180913648 is a deficient number, since it is larger than the sum of its proper divisors (178157120).

180913648 is a wasteful number, since it uses less digits than its factorization.

180913648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275832 (or 275826 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 180913648 is about 13450.4144174074. The cubic root of 180913648 is about 565.5753118669.

The spelling of 180913648 in words is "one hundred eighty million, nine hundred thirteen thousand, six hundred forty-eight".