6567220051 has 6 divisors (see below), whose sum is σ = 7639419300. Its totient is φ = 5629045716.

The previous prime is 6567220013. The next prime is 6567220063. The reversal of 6567220051 is 1500227656.

6567220051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-6567220051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6567219989 and 6567220016.

It is not an unprimeable number, because it can be changed into a prime (6567220091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67012401 + ... + 67012498.

It is an arithmetic number, because the mean of its divisors is an integer number (1273236550).

Almost surely, 2^6567220051 is an apocalyptic number.

6567220051 is a deficient number, since it is larger than the sum of its proper divisors (1072199249).

6567220051 is a wasteful number, since it uses less digits than its factorization.

6567220051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134024913 (or 134024906 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 6567220051 is about 81038.3862808237. The cubic root of 6567220051 is about 1872.6668509428. Note that the first 3 decimals are identical.

The spelling of 6567220051 in words is "six billion, five hundred sixty-seven million, two hundred twenty thousand, fifty-one".