2101566967 has 2 divisors, whose sum is σ = 2101566968. Its totient is φ = 2101566966.

The previous prime is 2101566947. The next prime is 2101567001. The reversal of 2101566967 is 7696651012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101566967 - 2¹⁵ = 2101534199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101566947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050783483 + 1050783484.

It is an arithmetic number, because the mean of its divisors is an integer number (1050783484).

Almost surely, 2^2101566967 is an apocalyptic number.

2101566967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101566967 is an equidigital number, since it uses as much as digits as its factorization.

2101566967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 2101566967 is about 45842.8507730486. The cubic root of 2101566967 is about 1280.8975977496.

The spelling of 2101566967 in words is "two billion, one hundred one million, five hundred sixty-six thousand, nine hundred sixty-seven".