2231670262661 has 32 divisors (see below), whose sum is σ = 2746923321600. Its totient is φ = 1769515646976.

The previous prime is 2231670262651. The next prime is 2231670262667. The reversal of 2231670262661 is 1662620761322.

2231670262661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2231670262661 is a prime.

It is a super-3 number, since 3×2231670262661³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231670262667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3268181 + ... + 3891573.

It is an arithmetic number, because the mean of its divisors is an integer number (85841353800).

Almost surely, 2^{2231670262661} is an apocalyptic number.

It is an amenable number.

2231670262661 is a deficient number, since it is larger than the sum of its proper divisors (515253058939).

2231670262661 is a wasteful number, since it uses less digits than its factorization.

2231670262661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623933.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 2231670262661 in words is "two trillion, two hundred thirty-one billion, six hundred seventy million, two hundred sixty-two thousand, six hundred sixty-one".