7665245616 has 240 divisors, whose sum is σ = 23515066368. Its totient is φ = 2145024000.

The previous prime is 7665245611. The next prime is 7665245629. The reversal of 7665245616 is 6165425667.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (1814400) is a multiple of the sum of its prime factors (480).

It is not an unprimeable number, because it can be changed into a prime (7665245611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40132081 + ... + 40132271.

Almost surely, 2^7665245616 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 7665245616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11757533184).

7665245616 is an abundant number, since it is smaller than the sum of its proper divisors (15849820752).

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

7665245616 is a wasteful number, since it uses less digits than its factorization.

7665245616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 467 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 7665245616 is about 87551.3884298816. The cubic root of 7665245616 is about 1971.7053967315.

The spelling of 7665245616 in words is "seven billion, six hundred sixty-five million, two hundred forty-five thousand, six hundred sixteen".