2516340651 has 32 divisors (see below), whose sum is σ = 3695051520. Its totient is φ = 1510579200.

The previous prime is 2516340583. The next prime is 2516340667. The reversal of 2516340651 is 1560436152.

It is not a de Polignac number, because 2516340651 - 2⁷ = 2516340523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2516340751) 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, 1848211 + ... + 1849571.

It is an arithmetic number, because the mean of its divisors is an integer number (115470360).

Almost surely, 2^2516340651 is an apocalyptic number.

2516340651 is a deficient number, since it is larger than the sum of its proper divisors (1178710869).

2516340651 is a wasteful number, since it uses less digits than its factorization.

2516340651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2516340651 is about 50163.1403622221. The cubic root of 2516340651 is about 1360.1594123619.

The spelling of 2516340651 in words is "two billion, five hundred sixteen million, three hundred forty thousand, six hundred fifty-one".