2170096846721 has 16 divisors (see below), whose sum is σ = 2259401922960. Its totient is φ = 2081777967360.

The previous prime is 2170096846717. The next prime is 2170096846741. The reversal of 2170096846721 is 1276486900712.

It can be written as a sum of positive squares in 8 ways, for example, as 169954185025 + 2000142661696 = 412255^2 + 1414264^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170096846721 - 2² = 2170096846717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2170096846711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5548031 + ... + 5926283.

It is an arithmetic number, because the mean of its divisors is an integer number (141212620185).

Almost surely, 2^{2170096846721} is an apocalyptic number.

It is an amenable number.

2170096846721 is a deficient number, since it is larger than the sum of its proper divisors (89305076239).

2170096846721 is a wasteful number, since it uses less digits than its factorization.

2170096846721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379556.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 2170096846721 in words is "two trillion, one hundred seventy billion, ninety-six million, eight hundred forty-six thousand, seven hundred twenty-one".