16146858813 has 4 divisors (see below), whose sum is σ = 21529145088. Its totient is φ = 10764572540.

The previous prime is 16146858809. The next prime is 16146858817. The reversal of 16146858813 is 31885864161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (16146858809) and next prime (16146858817).

It is a cyclic number.

It is not a de Polignac number, because 16146858813 - 2² = 16146858809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16146858817) 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, 2691143133 + ... + 2691143138.

It is an arithmetic number, because the mean of its divisors is an integer number (5382286272).

Almost surely, 2^16146858813 is an apocalyptic number.

It is an amenable number.

16146858813 is a deficient number, since it is larger than the sum of its proper divisors (5382286275).

16146858813 is an equidigital number, since it uses as much as digits as its factorization.

16146858813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382286274.

The product of its digits is 1105920, while the sum is 51.

The spelling of 16146858813 in words is "sixteen billion, one hundred forty-six million, eight hundred fifty-eight thousand, eight hundred thirteen".