7665991415232 has 112 divisors (see below), whose sum is σ = 20380861163520. Its totient is φ = 2543007136768.

The previous prime is 7665991415219. The next prime is 7665991415273. The reversal of 7665991415232 is 2325141995667.

It is a happy number.

It is a super-2 number, since 2×7665991415232² (a number of 27 digits) contains 22 as substring.

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, 72587938 + ... + 72693470.

Almost surely, 2^{7665991415232} 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 7665991415232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10190430581760).

7665991415232 is an abundant number, since it is smaller than the sum of its proper divisors (12714869748288).

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

7665991415232 is a wasteful number, since it uses less digits than its factorization.

7665991415232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107370 (or 107360 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 60.

The spelling of 7665991415232 in words is "seven trillion, six hundred sixty-five billion, nine hundred ninety-one million, four hundred fifteen thousand, two hundred thirty-two".