2551706516 has 48 divisors (see below), whose sum is σ = 4724020224. Its totient is φ = 1204656096.

The previous prime is 2551706513. The next prime is 2551706519. The reversal of 2551706516 is 6156071552.

2551706516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2551706513) and next prime (2551706519).

It is a super-2 number, since 2×2551706516² = 13022412287593716512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2551706516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551706513) 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, 669071 + ... + 672873.

It is an arithmetic number, because the mean of its divisors is an integer number (98417088).

Almost surely, 2^2551706516 is an apocalyptic number.

It is an amenable number.

2551706516 is a deficient number, since it is larger than the sum of its proper divisors (2172313708).

2551706516 is a wasteful number, since it uses less digits than its factorization.

2551706516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3978 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 2551706516 is about 50514.4188920352. The cubic root of 2551706516 is about 1366.5019031459.

The spelling of 2551706516 in words is "two billion, five hundred fifty-one million, seven hundred six thousand, five hundred sixteen".