2516421146 has 16 divisors (see below), whose sum is σ = 3865809024. Its totient is φ = 1227869664.

The previous prime is 2516421137. The next prime is 2516421157. The reversal of 2516421146 is 6411246152.

It is an unprimeable number.

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, 90335 + ... + 114861.

It is an arithmetic number, because the mean of its divisors is an integer number (241613064).

Almost surely, 2^2516421146 is an apocalyptic number.

2516421146 is a deficient number, since it is larger than the sum of its proper divisors (1349387878).

2516421146 is a wasteful number, since it uses less digits than its factorization.

2516421146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25765.

The product of its digits is 11520, while the sum is 32.

The square root of 2516421146 is about 50163.9426879507. The cubic root of 2516421146 is about 1360.1739155472.

Adding to 2516421146 its reverse (6411246152), we get a palindrome (8927667298).

The spelling of 2516421146 in words is "two billion, five hundred sixteen million, four hundred twenty-one thousand, one hundred forty-six".