18610768 has 30 divisors (see below), whose sum is σ = 39638522. Its totient is φ = 8458560.

The previous prime is 18610763. The next prime is 18610771. The reversal of 18610768 is 86701681.

It can be written as a sum of positive squares in only one way, i.e., 18593344 + 17424 = 4312^2 + 132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18610763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2871 + ... + 6742.

Almost surely, 2^18610768 is an apocalyptic number.

It is an amenable number.

18610768 is an abundant number, since it is smaller than the sum of its proper divisors (21027754).

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

18610768 is a wasteful number, since it uses less digits than its factorization.

18610768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643 (or 9626 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18610768 is about 4314.0199350490. The cubic root of 18610768 is about 265.0054253072.

The spelling of 18610768 in words is "eighteen million, six hundred ten thousand, seven hundred sixty-eight".