2320275860661 has 16 divisors (see below), whose sum is σ = 3573472984128. Its totient is φ = 1323508512000.

The previous prime is 2320275860597. The next prime is 2320275860681. The reversal of 2320275860661 is 1660685720232.

It is not a de Polignac number, because 2320275860661 - 2⁶ = 2320275860597 is a prime.

It is a super-2 number, since 2×2320275860661² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2320275860661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320275860681) 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, 2067981490 + ... + 2067982611.

It is an arithmetic number, because the mean of its divisors is an integer number (223342061508).

Almost surely, 2^{2320275860661} is an apocalyptic number.

It is an amenable number.

2320275860661 is a deficient number, since it is larger than the sum of its proper divisors (1253197123467).

2320275860661 is a wasteful number, since it uses less digits than its factorization.

2320275860661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135964132.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 2320275860661 in words is "two trillion, three hundred twenty billion, two hundred seventy-five million, eight hundred sixty thousand, six hundred sixty-one".