18602992106 has 4 divisors (see below), whose sum is σ = 27904488162. Its totient is φ = 9301496052.

The previous prime is 18602992097. The next prime is 18602992129. The reversal of 18602992106 is 60129920681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60129920681 = 487 ⋅123470063.

It can be written as a sum of positive squares in only one way, i.e., 18173466481 + 429525625 = 134809^2 + 20725^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4650748025 + ... + 4650748028.

Almost surely, 2^18602992106 is an apocalyptic number.

18602992106 is a deficient number, since it is larger than the sum of its proper divisors (9301496056).

18602992106 is an equidigital number, since it uses as much as digits as its factorization.

18602992106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301496055.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 18602992106 in words is "eighteen billion, six hundred two million, nine hundred ninety-two thousand, one hundred six".