18393856162 has 16 divisors (see below), whose sum is σ = 30250296000. Its totient is φ = 8318827440.

The previous prime is 18393856147. The next prime is 18393856177. The reversal of 18393856162 is 26165839381.

It is an interprime number because it is at equal distance from previous prime (18393856147) and next prime (18393856177).

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, 2096337 + ... + 2105092.

It is an arithmetic number, because the mean of its divisors is an integer number (1890643500).

Almost surely, 2^18393856162 is an apocalyptic number.

18393856162 is a deficient number, since it is larger than the sum of its proper divisors (11856439838).

18393856162 is a wasteful number, since it uses less digits than its factorization.

18393856162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201641.

The product of its digits is 1866240, while the sum is 52.

It can be divided in two parts, 183938 and 56162, that added together give a square (240100 = 490²).

The spelling of 18393856162 in words is "eighteen billion, three hundred ninety-three million, eight hundred fifty-six thousand, one hundred sixty-two".