1670908417 has 2 divisors, whose sum is σ = 1670908418. Its totient is φ = 1670908416.

The previous prime is 1670908403. The next prime is 1670908451. The reversal of 1670908417 is 7148090761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1615316481 + 55591936 = 40191^2 + 7456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670908417 - 2²³ = 1662519809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670900417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835454208 + 835454209.

It is an arithmetic number, because the mean of its divisors is an integer number (835454209).

Almost surely, 2^1670908417 is an apocalyptic number.

It is an amenable number.

1670908417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670908417 is an equidigital number, since it uses as much as digits as its factorization.

1670908417 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 43.

The square root of 1670908417 is about 40876.7466538128. The cubic root of 1670908417 is about 1186.6360796290.

The spelling of 1670908417 in words is "one billion, six hundred seventy million, nine hundred eight thousand, four hundred seventeen".