7658609616 has 240 divisors, whose sum is σ = 26898528384. Its totient is φ = 2059333632.

The previous prime is 7658609591. The next prime is 7658609617. The reversal of 7658609616 is 6169068567.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7658609617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 454396 + ... + 470948.

Almost surely, 2^7658609616 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 7658609616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13449264192).

7658609616 is an abundant number, since it is smaller than the sum of its proper divisors (19239918768).

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

7658609616 is a wasteful number, since it uses less digits than its factorization.

7658609616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 7658609616 is about 87513.4824812726. The cubic root of 7658609616 is about 1971.1362471234.

The spelling of 7658609616 in words is "seven billion, six hundred fifty-eight million, six hundred nine thousand, six hundred sixteen".