1670368867 has 2 divisors, whose sum is σ = 1670368868. Its totient is φ = 1670368866.

The previous prime is 1670368837. The next prime is 1670368891. The reversal of 1670368867 is 7688630761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670368867 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (1670368807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835184433 + 835184434.

It is an arithmetic number, because the mean of its divisors is an integer number (835184434).

Almost surely, 2^1670368867 is an apocalyptic number.

1670368867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670368867 is an equidigital number, since it uses as much as digits as its factorization.

1670368867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 1670368867 is about 40870.1464029675. The cubic root of 1670368867 is about 1186.5083410455.

The spelling of 1670368867 in words is "one billion, six hundred seventy million, three hundred sixty-eight thousand, eight hundred sixty-seven".