6996164681 has 8 divisors (see below), whose sum is σ = 7634075904. Its totient is φ = 6358569520.

The previous prime is 6996164677. The next prime is 6996164731. The reversal of 6996164681 is 1864616996.

6996164681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6996164681 - 2² = 6996164677 is a prime.

It is a super-4 number, since 4×6996164681⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6996164621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31481 + ... + 122406.

It is an arithmetic number, because the mean of its divisors is an integer number (954259488).

Almost surely, 2^6996164681 is an apocalyptic number.

It is an amenable number.

6996164681 is a deficient number, since it is larger than the sum of its proper divisors (637911223).

6996164681 is a wasteful number, since it uses less digits than its factorization.

6996164681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158031.

The product of its digits is 3359232, while the sum is 56.

The square root of 6996164681 is about 83643.0790980342. The cubic root of 6996164681 is about 1912.5817522175.

The spelling of 6996164681 in words is "six billion, nine hundred ninety-six million, one hundred sixty-four thousand, six hundred eighty-one".