2516818051 has 4 divisors (see below), whose sum is σ = 2745619704. Its totient is φ = 2288016400.

The previous prime is 2516818009. The next prime is 2516818123. The reversal of 2516818051 is 1508186152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2516818051 - 2¹⁹ = 2516293763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516818051.

It is not an unprimeable number, because it can be changed into a prime (2516813051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114400810 + ... + 114400831.

It is an arithmetic number, because the mean of its divisors is an integer number (686404926).

Almost surely, 2^2516818051 is an apocalyptic number.

2516818051 is a deficient number, since it is larger than the sum of its proper divisors (228801653).

2516818051 is a wasteful number, since it uses less digits than its factorization.

2516818051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228801652.

The product of its (nonzero) digits is 19200, while the sum is 37.

The square root of 2516818051 is about 50167.8986105657. The cubic root of 2516818051 is about 1360.2454233773.

The spelling of 2516818051 in words is "two billion, five hundred sixteen million, eight hundred eighteen thousand, fifty-one".