2656320336351 has 72 divisors (see below), whose sum is σ = 4519735190880. Its totient is φ = 1498276517760.

The previous prime is 2656320336343. The next prime is 2656320336359. The reversal of 2656320336351 is 1536330236562.

It is a happy number.

2656320336351 is a `hidden beast` number, since 2 + 6 + 5 + 6 + 3 + 2 + 0 + 3 + 3 + 635 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2656320336343) and next prime (2656320336359).

It is not a de Polignac number, because 2656320336351 - 2³ = 2656320336343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656320336297 and 2656320336306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656320336359) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 506416 + ... + 2359893.

Almost surely, 2^{2656320336351} is an apocalyptic number.

2656320336351 is a deficient number, since it is larger than the sum of its proper divisors (1863414854529).

2656320336351 is a wasteful number, since it uses less digits than its factorization.

2656320336351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866397 (or 2866383 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 2656320336351 in words is "two trillion, six hundred fifty-six billion, three hundred twenty million, three hundred thirty-six thousand, three hundred fifty-one".