1670753313566 has 4 divisors (see below), whose sum is σ = 2506129970352. Its totient is φ = 835376656782.

The previous prime is 1670753313553. The next prime is 1670753313569. The reversal of 1670753313566 is 6653133570761.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670753313569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417688328390 + ... + 417688328393.

It is an arithmetic number, because the mean of its divisors is an integer number (626532492588).

Almost surely, 2^{1670753313566} is an apocalyptic number.

1670753313566 is a deficient number, since it is larger than the sum of its proper divisors (835376656786).

1670753313566 is an equidigital number, since it uses as much as digits as its factorization.

1670753313566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835376656785.

The product of its (nonzero) digits is 7144200, while the sum is 53.

The spelling of 1670753313566 in words is "one trillion, six hundred seventy billion, seven hundred fifty-three million, three hundred thirteen thousand, five hundred sixty-six".