2500616663 has 8 divisors (see below), whose sum is σ = 2558285856. Its totient is φ = 2443571200.

The previous prime is 2500616653. The next prime is 2500616693. The reversal of 2500616663 is 3666160052.

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

It is a cyclic number.

It is not a de Polignac number, because 2500616663 - 2⁸ = 2500616407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500616653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147818 + ... + 163863.

It is an arithmetic number, because the mean of its divisors is an integer number (319785732).

Almost surely, 2^2500616663 is an apocalyptic number.

2500616663 is a deficient number, since it is larger than the sum of its proper divisors (57669193).

2500616663 is a wasteful number, since it uses less digits than its factorization.

2500616663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311865.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2500616663 is about 50006.1662497736. The cubic root of 2500616663 is about 1357.3203911841.

The spelling of 2500616663 in words is "two billion, five hundred million, six hundred sixteen thousand, six hundred sixty-three".