1662042367 has 2 divisors, whose sum is σ = 1662042368. Its totient is φ = 1662042366.

The previous prime is 1662042301. The next prime is 1662042391. The reversal of 1662042367 is 7632402661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1662042367 - 2²³ = 1653653759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662042667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831021183 + 831021184.

It is an arithmetic number, because the mean of its divisors is an integer number (831021184).

Almost surely, 2^1662042367 is an apocalyptic number.

1662042367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662042367 is an equidigital number, since it uses as much as digits as its factorization.

1662042367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1662042367 is about 40768.1538335991. The cubic root of 1662042367 is about 1184.5335430807.

The spelling of 1662042367 in words is "one billion, six hundred sixty-two million, forty-two thousand, three hundred sixty-seven".