2656274516 has 18 divisors (see below), whose sum is σ = 5407416378. Its totient is φ = 1138403280.

The previous prime is 2656274483. The next prime is 2656274549. The reversal of 2656274516 is 6154726562.

It is an interprime number because it is at equal distance from previous prime (2656274483) and next prime (2656274549).

It can be written as a sum of positive squares in only one way, i.e., 2639904400 + 16370116 = 51380^2 + 4046^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6776015 + ... + 6776406.

It is an arithmetic number, because the mean of its divisors is an integer number (300412021).

Almost surely, 2^2656274516 is an apocalyptic number.

It is an amenable number.

2656274516 is an abundant number, since it is smaller than the sum of its proper divisors (2751141862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2656274516 is a wasteful number, since it uses less digits than its factorization.

2656274516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13552439 (or 13552430 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 2656274516 is about 51539.0581598073. The cubic root of 2656274516 is about 1384.9188248896.

The spelling of 2656274516 in words is "two billion, six hundred fifty-six million, two hundred seventy-four thousand, five hundred sixteen".