7155645696 has 54 divisors (see below), whose sum is σ = 20631497250. Its totient is φ = 2385214464.

The previous prime is 7155645659. The next prime is 7155645697. The reversal of 7155645696 is 6965465517.

7155645696 is a `hidden beast` number, since 7 + 15 + 5 + 64 + 569 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6084000000 + 1071645696 = 78000^2 + 32736^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155645697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1550571 + ... + 1555178.

Almost surely, 2^7155645696 is an apocalyptic number.

It is an amenable number.

7155645696 is an abundant number, since it is smaller than the sum of its proper divisors (13475851554).

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

7155645696 is a wasteful number, since it uses less digits than its factorization.

7155645696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105771 (or 3105754 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 7155645696 is about 84591.0497393193. The cubic root of 7155645696 is about 1927.0054499909.

The spelling of 7155645696 in words is "seven billion, one hundred fifty-five million, six hundred forty-five thousand, six hundred ninety-six".