18123150361464 has 48 divisors (see below), whose sum is σ = 49294191211200. Its totient is φ = 6015122861184.

The previous prime is 18123150361441. The next prime is 18123150361499. The reversal of 18123150361464 is 46416305132181.

It is a happy number.

18123150361464 is a `hidden beast` number, since 1 + 8 + 1 + 2 + 3 + 150 + 36 + 1 + 464 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540134344 + ... + 540167895.

It is an arithmetic number, because the mean of its divisors is an integer number (1026962316900).

Almost surely, 2^{18123150361464} is an apocalyptic number.

It is an amenable number.

18123150361464 is an abundant number, since it is smaller than the sum of its proper divisors (31171040849736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18123150361464 is a wasteful number, since it uses less digits than its factorization.

18123150361464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080302484 (or 1080302477 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 18123150361464 in words is "eighteen trillion, one hundred twenty-three billion, one hundred fifty million, three hundred sixty-one thousand, four hundred sixty-four".