2516164551 has 6 divisors (see below), whose sum is σ = 3634459920. Its totient is φ = 1677443028.

The previous prime is 2516164537. The next prime is 2516164561. The reversal of 2516164551 is 1554616152.

2516164551 is a `hidden beast` number, since 2 + 5 + 1 + 6 + 1 + 645 + 5 + 1 = 666.

It is not a de Polignac number, because 2516164551 - 2⁹ = 2516164039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516164561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139786911 + ... + 139786928.

It is an arithmetic number, because the mean of its divisors is an integer number (605743320).

Almost surely, 2^2516164551 is an apocalyptic number.

2516164551 is a deficient number, since it is larger than the sum of its proper divisors (1118295369).

2516164551 is a wasteful number, since it uses less digits than its factorization.

2516164551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279573845 (or 279573842 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2516164551 is about 50161.3850586285. The cubic root of 2516164551 is about 1360.1276824687.

The spelling of 2516164551 in words is "two billion, five hundred sixteen million, one hundred sixty-four thousand, five hundred fifty-one".