2662791667 has 2 divisors, whose sum is σ = 2662791668. Its totient is φ = 2662791666.

The previous prime is 2662791647. The next prime is 2662791671. The reversal of 2662791667 is 7661972662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2662791667 - 2⁷ = 2662791539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2662791647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331395833 + 1331395834.

It is an arithmetic number, because the mean of its divisors is an integer number (1331395834).

Almost surely, 2^2662791667 is an apocalyptic number.

2662791667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662791667 is an equidigital number, since it uses as much as digits as its factorization.

2662791667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 2662791667 is about 51602.2447864432. The cubic root of 2662791667 is about 1386.0505294100.

The spelling of 2662791667 in words is "two billion, six hundred sixty-two million, seven hundred ninety-one thousand, six hundred sixty-seven".