18146060997 has 8 divisors (see below), whose sum is σ = 24848660256. Its totient is φ = 11770417872.

The previous prime is 18146060983. The next prime is 18146061013. The reversal of 18146060997 is 79906064181.

It is a happy number.

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

It is not a de Polignac number, because 18146060997 - 2¹⁹ = 18145536709 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18146060927) 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, 81738903 + ... + 81739124.

It is an arithmetic number, because the mean of its divisors is an integer number (3106082532).

Almost surely, 2^18146060997 is an apocalyptic number.

It is an amenable number.

18146060997 is a deficient number, since it is larger than the sum of its proper divisors (6702599259).

18146060997 is a wasteful number, since it uses less digits than its factorization.

18146060997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163478067.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 18146060997 in words is "eighteen billion, one hundred forty-six million, sixty thousand, nine hundred ninety-seven".