18098496921436 has 12 divisors (see below), whose sum is σ = 31758670349728. Its totient is φ = 9024591107232.

The previous prime is 18098496921413. The next prime is 18098496921437. The reversal of 18098496921436 is 63412969489081.

It is a happy number.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18098496921437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6164336721 + ... + 6164339656.

Almost surely, 2^{18098496921436} is an apocalyptic number.

It is an amenable number.

18098496921436 is a deficient number, since it is larger than the sum of its proper divisors (13660173428292).

18098496921436 is a wasteful number, since it uses less digits than its factorization.

18098496921436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328676748 (or 12328676746 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 70.

The spelling of 18098496921436 in words is "eighteen trillion, ninety-eight billion, four hundred ninety-six million, nine hundred twenty-one thousand, four hundred thirty-six".