1669053536 has 12 divisors (see below), whose sum is σ = 3285949212. Its totient is φ = 834526752.

The previous prime is 1669053521. The next prime is 1669053539. The reversal of 1669053536 is 6353509661.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669053539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26078930 + ... + 26078993.

It is an arithmetic number, because the mean of its divisors is an integer number (273829101).

Almost surely, 2^1669053536 is an apocalyptic number.

1669053536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1669053536 is a deficient number, since it is larger than the sum of its proper divisors (1616895676).

1669053536 is an equidigital number, since it uses as much as digits as its factorization.

1669053536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52157933 (or 52157925 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 1669053536 is about 40854.0516472969. The cubic root of 1669053536 is about 1186.1968208263.

The spelling of 1669053536 in words is "one billion, six hundred sixty-nine million, fifty-three thousand, five hundred thirty-six".