18620299310156 has 24 divisors (see below), whose sum is σ = 32632389565440. Its totient is φ = 9296760166272.

The previous prime is 18620299310101. The next prime is 18620299310161. The reversal of 18620299310156 is 65101399202681.

It is a junction number, because it is equal to n+sod(n) for n = 18620299310098 and 18620299310107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140080181 + ... + 140213043.

It is an arithmetic number, because the mean of its divisors is an integer number (1359682898560).

Almost surely, 2^{18620299310156} is an apocalyptic number.

It is an amenable number.

18620299310156 is a deficient number, since it is larger than the sum of its proper divisors (14012090255284).

18620299310156 is a wasteful number, since it uses less digits than its factorization.

18620299310156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182993 (or 182991 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 18620299310156 in words is "eighteen trillion, six hundred twenty billion, two hundred ninety-nine million, three hundred ten thousand, one hundred fifty-six".