2516303666 has 8 divisors (see below), whose sum is σ = 3896212224. Its totient is φ = 1217566260.

The previous prime is 2516303653. The next prime is 2516303677. The reversal of 2516303666 is 6663036152.

It is a happy number.

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, 20292710 + ... + 20292833.

It is an arithmetic number, because the mean of its divisors is an integer number (487026528).

Almost surely, 2^2516303666 is an apocalyptic number.

2516303666 is a deficient number, since it is larger than the sum of its proper divisors (1379908558).

2516303666 is a wasteful number, since it uses less digits than its factorization.

2516303666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40585576.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 2516303666 is about 50162.7717136922. The cubic root of 2516303666 is about 1360.1527484864.

The spelling of 2516303666 in words is "two billion, five hundred sixteen million, three hundred three thousand, six hundred sixty-six".