1669037097 has 16 divisors (see below), whose sum is σ = 2738933120. Its totient is φ = 880371072.

The previous prime is 1669037093. The next prime is 1669037099. The reversal of 1669037097 is 7907309661.

It is not a de Polignac number, because 1669037097 - 2² = 1669037093 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1669037093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3056572 + ... + 3057117.

It is an arithmetic number, because the mean of its divisors is an integer number (171183320).

Almost surely, 2^1669037097 is an apocalyptic number.

It is an amenable number.

1669037097 is a deficient number, since it is larger than the sum of its proper divisors (1069896023).

1669037097 is a wasteful number, since it uses less digits than its factorization.

1669037097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113712.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 1669037097 is about 40853.8504550061. The cubic root of 1669037097 is about 1186.1929264129.

The spelling of 1669037097 in words is "one billion, six hundred sixty-nine million, thirty-seven thousand, ninety-seven".