6820922061 has 16 divisors (see below), whose sum is σ = 10453521600. Its totient is φ = 4390478064.

The previous prime is 6820922057. The next prime is 6820922099. The reversal of 6820922061 is 1602290286.

It is a happy number.

It is not a de Polignac number, because 6820922061 - 2² = 6820922057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820922011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4354851 + ... + 4356416.

It is an arithmetic number, because the mean of its divisors is an integer number (653345100).

Almost surely, 2^6820922061 is an apocalyptic number.

It is an amenable number.

6820922061 is a deficient number, since it is larger than the sum of its proper divisors (3632599539).

6820922061 is a wasteful number, since it uses less digits than its factorization.

6820922061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711305 (or 8711299 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6820922061 is about 82588.8737118990. The cubic root of 6820922061 is about 1896.4775050113.

The spelling of 6820922061 in words is "six billion, eight hundred twenty million, nine hundred twenty-two thousand, sixty-one".