4166992691 has 2 divisors, whose sum is σ = 4166992692. Its totient is φ = 4166992690.

The previous prime is 4166992681. The next prime is 4166992759. The reversal of 4166992691 is 1962996614.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4166992691 is a prime.

It is not a weakly prime, because it can be changed into another prime (4166992601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083496345 + 2083496346.

It is an arithmetic number, because the mean of its divisors is an integer number (2083496346).

Almost surely, 2^4166992691 is an apocalyptic number.

4166992691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166992691 is an equidigital number, since it uses as much as digits as its factorization.

4166992691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 53.

The square root of 4166992691 is about 64552.2477610191. The cubic root of 4166992691 is about 1609.1909429858.

The spelling of 4166992691 in words is "four billion, one hundred sixty-six million, nine hundred ninety-two thousand, six hundred ninety-one".