1669074637330 has 16 divisors (see below), whose sum is σ = 3004358684184. Its totient is φ = 667624446720.

The previous prime is 1669074637327. The next prime is 1669074637367. The reversal of 1669074637330 is 337364709661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1511372725641 + 157701911689 = 1229379^2 + 397117^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 766810 + ... + 1981450.

Almost surely, 2^{1669074637330} is an apocalyptic number.

1669074637330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1669074637330 is a deficient number, since it is larger than the sum of its proper divisors (1335284046854).

1669074637330 is a wasteful number, since it uses less digits than its factorization.

1669074637330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352061.

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 1669074637330 in words is "one trillion, six hundred sixty-nine billion, seventy-four million, six hundred thirty-seven thousand, three hundred thirty".