7655646416 has 80 divisors (see below), whose sum is σ = 17429741568. Its totient is φ = 3221116800.

The previous prime is 7655646407. The next prime is 7655646457. The reversal of 7655646416 is 6146465567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94985 + ... + 155991.

Almost surely, 2^7655646416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7655646416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8714870784).

7655646416 is an abundant number, since it is smaller than the sum of its proper divisors (9774095152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7655646416 is a wasteful number, since it uses less digits than its factorization.

7655646416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61080 (or 61074 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The square root of 7655646416 is about 87496.5508805919. The cubic root of 7655646416 is about 1970.8819962571.

The spelling of 7655646416 in words is "seven billion, six hundred fifty-five million, six hundred forty-six thousand, four hundred sixteen".