2616242666 has 8 divisors (see below), whose sum is σ = 3982936800. Its totient is φ = 1288597068.

The previous prime is 2616242653. The next prime is 2616242669. The reversal of 2616242666 is 6662426162.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2616242669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9761966 + ... + 9762233.

It is an arithmetic number, because the mean of its divisors is an integer number (497867100).

Almost surely, 2^2616242666 is an apocalyptic number.

2616242666 is a deficient number, since it is larger than the sum of its proper divisors (1366694134).

2616242666 is a wasteful number, since it uses less digits than its factorization.

2616242666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19524268.

The product of its digits is 248832, while the sum is 41.

The square root of 2616242666 is about 51149.2196030399. The cubic root of 2616242666 is about 1377.9263587773.

The spelling of 2616242666 in words is "two billion, six hundred sixteen million, two hundred forty-two thousand, six hundred sixty-six".