18317377442086 has 16 divisors (see below), whose sum is σ = 28099690767360. Its totient is φ = 8951355901000.

The previous prime is 18317377442081. The next prime is 18317377442131. The reversal of 18317377442086 is 68024477371381.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18317377442081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135444040 + ... + 135579211.

It is an arithmetic number, because the mean of its divisors is an integer number (1756230672960).

Almost surely, 2^{18317377442086} is an apocalyptic number.

18317377442086 is a deficient number, since it is larger than the sum of its proper divisors (9782313325274).

18317377442086 is a wasteful number, since it uses less digits than its factorization.

18317377442086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271024019.

The product of its (nonzero) digits is 37933056, while the sum is 61.

The spelling of 18317377442086 in words is "eighteen trillion, three hundred seventeen billion, three hundred seventy-seven million, four hundred forty-two thousand, eighty-six".