6761180021 has 8 divisors (see below), whose sum is σ = 6805128000. Its totient is φ = 6717332160.

The previous prime is 6761179967. The next prime is 6761180033. The reversal of 6761180021 is 1200811676.

It is a happy number.

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 6761180021 - 2²⁶ = 6694071157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6761180021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761180081) 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, 112925 + ... + 162093.

It is an arithmetic number, because the mean of its divisors is an integer number (850641000).

Almost surely, 2^6761180021 is an apocalyptic number.

It is an amenable number.

6761180021 is a deficient number, since it is larger than the sum of its proper divisors (43947979).

6761180021 is a wasteful number, since it uses less digits than its factorization.

6761180021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50059.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 6761180021 is about 82226.3949167176. The cubic root of 6761180021 is about 1890.9244025532.

Adding to 6761180021 its reverse (1200811676), we get a palindrome (7961991697).

The spelling of 6761180021 in words is "six billion, seven hundred sixty-one million, one hundred eighty thousand, twenty-one".