6996040961 has 24 divisors (see below), whose sum is σ = 8815625280. Its totient is φ = 5406470496.

The previous prime is 6996040937. The next prime is 6996040979. The reversal of 6996040961 is 1690406996.

It is a happy number.

It is not a de Polignac number, because 6996040961 - 2³⁰ = 5922299137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6996040361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147470 + ... + 189048.

It is an arithmetic number, because the mean of its divisors is an integer number (367317720).

Almost surely, 2^6996040961 is an apocalyptic number.

It is an amenable number.

6996040961 is a deficient number, since it is larger than the sum of its proper divisors (1819584319).

6996040961 is a wasteful number, since it uses less digits than its factorization.

6996040961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41685 (or 41642 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 6996040961 is about 83642.3395237125. The cubic root of 6996040961 is about 1912.5704781352.

The spelling of 6996040961 in words is "six billion, nine hundred ninety-six million, forty thousand, nine hundred sixty-one".