6771121692 has 24 divisors (see below), whose sum is σ = 16728654096. Its totient is φ = 2124273408.

The previous prime is 6771121661. The next prime is 6771121723. The reversal of 6771121692 is 2961211776.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6771121661) and next prime (6771121723).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16595683 + ... + 16596090.

It is an arithmetic number, because the mean of its divisors is an integer number (697027254).

Almost surely, 2^6771121692 is an apocalyptic number.

It is an amenable number.

6771121692 is an abundant number, since it is smaller than the sum of its proper divisors (9957532404).

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

6771121692 is a wasteful number, since it uses less digits than its factorization.

6771121692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33191797 (or 33191795 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 6771121692 is about 82286.8257499340. The cubic root of 6771121692 is about 1891.8507567171.

The spelling of 6771121692 in words is "six billion, seven hundred seventy-one million, one hundred twenty-one thousand, six hundred ninety-two".