1669163092 has 24 divisors (see below), whose sum is σ = 3103437960. Its totient is φ = 784022400.

The previous prime is 1669163087. The next prime is 1669163141. The reversal of 1669163092 is 2903619661.

It can be written as a sum of positive squares in 4 ways, for example, as 326380356 + 1342782736 = 18066^2 + 36644^2 .

It is a super-2 number, since 2×1669163092² = 5572210855390000928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190159 + ... + 198742.

It is an arithmetic number, because the mean of its divisors is an integer number (129309915).

Almost surely, 2^1669163092 is an apocalyptic number.

It is an amenable number.

1669163092 is a deficient number, since it is larger than the sum of its proper divisors (1434274868).

1669163092 is a wasteful number, since it uses less digits than its factorization.

1669163092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388971 (or 388969 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 1669163092 is about 40855.3924470198. The cubic root of 1669163092 is about 1186.2227740852. Note that the first 3 decimals are identical.

The spelling of 1669163092 in words is "one billion, six hundred sixty-nine million, one hundred sixty-three thousand, ninety-two".