18623611082 has 4 divisors (see below), whose sum is σ = 27935416626. Its totient is φ = 9311805540.

The previous prime is 18623611067. The next prime is 18623611133. The reversal of 18623611082 is 28011632681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14402640121 + 4220970961 = 120011^2 + 64969^2 .

It is a super-3 number, since 3×18623611082³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655902769 + ... + 4655902772.

Almost surely, 2^18623611082 is an apocalyptic number.

18623611082 is a deficient number, since it is larger than the sum of its proper divisors (9311805544).

18623611082 is an equidigital number, since it uses as much as digits as its factorization.

18623611082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311805543.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 18623611082 in words is "eighteen billion, six hundred twenty-three million, six hundred eleven thousand, eighty-two".