2516451016 has 8 divisors (see below), whose sum is σ = 4718345670. Its totient is φ = 1258225504.

The previous prime is 2516450983. The next prime is 2516451037. The reversal of 2516451016 is 6101546152.

It can be written as a sum of positive squares in only one way, i.e., 1660888516 + 855562500 = 40754^2 + 29250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157278181 + ... + 157278196.

Almost surely, 2^2516451016 is an apocalyptic number.

It is an amenable number.

2516451016 is a deficient number, since it is larger than the sum of its proper divisors (2201894654).

2516451016 is a wasteful number, since it uses less digits than its factorization.

2516451016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314556383 (or 314556379 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2516451016 is about 50164.2404108744. The cubic root of 2516451016 is about 1360.1792972953.

Adding to 2516451016 its reverse (6101546152), we get a palindrome (8617997168).

The spelling of 2516451016 in words is "two billion, five hundred sixteen million, four hundred fifty-one thousand, sixteen".