18076938197 has 8 divisors (see below), whose sum is σ = 18385442880. Its totient is φ = 17768504160.

The previous prime is 18076938137. The next prime is 18076938211. The reversal of 18076938197 is 79183967081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18076938197 - 2¹⁶ = 18076872661 is a prime.

It is a super-2 number, since 2×18076938197² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18076938107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905273 + ... + 925025.

It is an arithmetic number, because the mean of its divisors is an integer number (2298180360).

Almost surely, 2^18076938197 is an apocalyptic number.

It is an amenable number.

18076938197 is a deficient number, since it is larger than the sum of its proper divisors (308504683).

18076938197 is a wasteful number, since it uses less digits than its factorization.

18076938197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35323.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 18076938197 in words is "eighteen billion, seventy-six million, nine hundred thirty-eight thousand, one hundred ninety-seven".