6772220161 has 8 divisors (see below), whose sum is σ = 7782442304. Its totient is φ = 5772688560.

The previous prime is 6772220159. The next prime is 6772220197. The reversal of 6772220161 is 1610222776.

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 6772220161 - 2¹ = 6772220159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6772220131) 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, 2671275 + ... + 2673808.

It is an arithmetic number, because the mean of its divisors is an integer number (972805288).

Almost surely, 2^6772220161 is an apocalyptic number.

It is an amenable number.

6772220161 is a deficient number, since it is larger than the sum of its proper divisors (1010222143).

6772220161 is a wasteful number, since it uses less digits than its factorization.

6772220161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345271.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 6772220161 is about 82293.5001139215. The cubic root of 6772220161 is about 1891.9530552301.

The spelling of 6772220161 in words is "six billion, seven hundred seventy-two million, two hundred twenty thousand, one hundred sixty-one".