18653066460 has 144 divisors (see below), whose sum is σ = 68067417600. Its totient is φ = 4039155072.

The previous prime is 18653066429. The next prime is 18653066461. The reversal of 18653066460 is 6466035681.

18653066460 is a `hidden beast` number, since 1 + 86 + 53 + 0 + 66 + 460 = 666.

It is a super-2 number, since 2×18653066460² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18653066461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365640 + ... + 413519.

It is an arithmetic number, because the mean of its divisors is an integer number (472690400).

Almost surely, 2^18653066460 is an apocalyptic number.

18653066460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18653066460 is an abundant number, since it is smaller than the sum of its proper divisors (49414351140).

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

18653066460 is a wasteful number, since it uses less digits than its factorization.

18653066460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779200 (or 779195 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 18653066460 in words is "eighteen billion, six hundred fifty-three million, sixty-six thousand, four hundred sixty".