846121653216001 has 4 divisors (see below), whose sum is σ = 846142381879600. Its totient is φ = 846100924552404.

The previous prime is 846121653215981. The next prime is 846121653216083. The reversal of 846121653216001 is 100612356121648.

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 a cyclic number.

It is not a de Polignac number, because 846121653216001 - 2⁷ = 846121653215873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (846121653216601) 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, 10364270571 + ... + 10364352208.

It is an arithmetic number, because the mean of its divisors is an integer number (211535595469900).

Almost surely, 2^{846121653216001} is an apocalyptic number.

It is an amenable number.

846121653216001 is a deficient number, since it is larger than the sum of its proper divisors (20728663599).

846121653216001 is a wasteful number, since it uses less digits than its factorization.

846121653216001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20728663598.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 846121653216001 in words is "eight hundred forty-six trillion, one hundred twenty-one billion, six hundred fifty-three million, two hundred sixteen thousand, one".