18534131401496 has 32 divisors (see below), whose sum is σ = 35270660755440. Its totient is φ = 9128625673728.

The previous prime is 18534131401483. The next prime is 18534131401519. The reversal of 18534131401496 is 69410413143581.

It is a super-3 number, since 3×18534131401496³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47785820 + ... + 48172116.

Almost surely, 2^{18534131401496} is an apocalyptic number.

It is an amenable number.

18534131401496 is a deficient number, since it is larger than the sum of its proper divisors (16736529353944).

18534131401496 is a wasteful number, since it uses less digits than its factorization.

18534131401496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475883 (or 475879 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 18534131401496 in words is "eighteen trillion, five hundred thirty-four billion, one hundred thirty-one million, four hundred one thousand, four hundred ninety-six".