1670201683687 has 32 divisors (see below), whose sum is σ = 1790015339520. Its totient is φ = 1553785390080.

The previous prime is 1670201683651. The next prime is 1670201683781. The reversal of 1670201683687 is 7863861020761.

It is a cyclic number.

It is not a de Polignac number, because 1670201683687 - 2²³ = 1670193295079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670201633687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315308223 + ... + 315313519.

It is an arithmetic number, because the mean of its divisors is an integer number (55937979360).

Almost surely, 2^{1670201683687} is an apocalyptic number.

1670201683687 is a deficient number, since it is larger than the sum of its proper divisors (119813655833).

1670201683687 is a wasteful number, since it uses less digits than its factorization.

1670201683687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1670201683687 in words is "one trillion, six hundred seventy billion, two hundred one million, six hundred eighty-three thousand, six hundred eighty-seven".