2516103278 has 16 divisors (see below), whose sum is σ = 4204630080. Its totient is φ = 1121234016.

The previous prime is 2516103277. The next prime is 2516103281. The reversal of 2516103278 is 8723016152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516103277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667750 + ... + 1669257.

It is an arithmetic number, because the mean of its divisors is an integer number (262789380).

Almost surely, 2^2516103278 is an apocalyptic number.

2516103278 is a deficient number, since it is larger than the sum of its proper divisors (1688526802).

2516103278 is a wasteful number, since it uses less digits than its factorization.

2516103278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337051.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2516103278 is about 50160.7742962566. The cubic root of 2516103278 is about 1360.1166418845.

The spelling of 2516103278 in words is "two billion, five hundred sixteen million, one hundred three thousand, two hundred seventy-eight".