1669960853 has 8 divisors (see below), whose sum is σ = 1884595680. Its totient is φ = 1465796080.

The previous prime is 1669960841. The next prime is 1669960867. The reversal of 1669960853 is 3580699661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1669960853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1669960795 and 1669960804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669960153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617175 + ... + 2617812.

It is an arithmetic number, because the mean of its divisors is an integer number (235574460).

Almost surely, 2^1669960853 is an apocalyptic number.

It is an amenable number.

1669960853 is a deficient number, since it is larger than the sum of its proper divisors (214634827).

1669960853 is a wasteful number, since it uses less digits than its factorization.

1669960853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235027.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 1669960853 is about 40865.1545084562. The cubic root of 1669960853 is about 1186.4117253724.

It can be divided in two parts, 16699608 and 53, that added together give a palindrome (16699661).

The spelling of 1669960853 in words is "one billion, six hundred sixty-nine million, nine hundred sixty thousand, eight hundred fifty-three".