2609166916624 has 80 divisors (see below), whose sum is σ = 5111254914304. Its totient is φ = 1290227097600.

The previous prime is 2609166916613. The next prime is 2609166916627. The reversal of 2609166916624 is 4266196619062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2609166916627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802078582 + ... + 802081834.

Almost surely, 2^{2609166916624} is an apocalyptic number.

It is an amenable number.

2609166916624 is a deficient number, since it is larger than the sum of its proper divisors (2502087997680).

2609166916624 is a wasteful number, since it uses less digits than its factorization.

2609166916624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 4890 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 2609166916624 in words is "two trillion, six hundred nine billion, one hundred sixty-six million, nine hundred sixteen thousand, six hundred twenty-four".