1669483957 has 8 divisors (see below), whose sum is σ = 1768072896. Its totient is φ = 1573061952.

The previous prime is 1669483927. The next prime is 1669483973. The reversal of 1669483957 is 7593849661.

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

It is a cyclic number.

It is not a de Polignac number, because 1669483957 - 2¹¹ = 1669481909 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 (1669483927) 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, 540148 + ... + 543229.

It is an arithmetic number, because the mean of its divisors is an integer number (221009112).

Almost surely, 2^1669483957 is an apocalyptic number.

It is an amenable number.

1669483957 is a deficient number, since it is larger than the sum of its proper divisors (98588939).

1669483957 is a wasteful number, since it uses less digits than its factorization.

1669483957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083467.

The product of its digits is 9797760, while the sum is 58.

The square root of 1669483957 is about 40859.3190961377. The cubic root of 1669483957 is about 1186.2987788379.

The spelling of 1669483957 in words is "one billion, six hundred sixty-nine million, four hundred eighty-three thousand, nine hundred fifty-seven".