1670164627 has 2 divisors, whose sum is σ = 1670164628. Its totient is φ = 1670164626.

The previous prime is 1670164597. The next prime is 1670164631. The reversal of 1670164627 is 7264610761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670164627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1670164627.

It is not a weakly prime, because it can be changed into another prime (1670164637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835082313 + 835082314.

It is an arithmetic number, because the mean of its divisors is an integer number (835082314).

Almost surely, 2^1670164627 is an apocalyptic number.

1670164627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670164627 is an equidigital number, since it uses as much as digits as its factorization.

1670164627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 1670164627 is about 40867.6476812649. The cubic root of 1670164627 is about 1186.4599800026.

The spelling of 1670164627 in words is "one billion, six hundred seventy million, one hundred sixty-four thousand, six hundred twenty-seven".