2516225666 has 8 divisors (see below), whose sum is σ = 3774950400. Its totient is φ = 1257908868.

The previous prime is 2516225659. The next prime is 2516225671. The reversal of 2516225666 is 6665226152.

2516225666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86066 + ... + 111533.

It is an arithmetic number, because the mean of its divisors is an integer number (471868800).

Almost surely, 2^2516225666 is an apocalyptic number.

2516225666 is a deficient number, since it is larger than the sum of its proper divisors (1258724734).

2516225666 is a wasteful number, since it uses less digits than its factorization.

2516225666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203968.

The product of its digits is 259200, while the sum is 41.

The square root of 2516225666 is about 50161.9942386664. The cubic root of 2516225666 is about 1360.1386944049.

The spelling of 2516225666 in words is "two billion, five hundred sixteen million, two hundred twenty-five thousand, six hundred sixty-six".