1669639324832 has 48 divisors (see below), whose sum is σ = 3298582359072. Its totient is φ = 831905406720.

The previous prime is 1669639324823. The next prime is 1669639324877. The reversal of 1669639324832 is 2384239369661.

It is a happy number.

It is a super-3 number, since 3×1669639324832³ (a number of 38 digits) contains 333 as substring.

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, 47736983 + ... + 47771945.

It is an arithmetic number, because the mean of its divisors is an integer number (68720465814).

Almost surely, 2^{1669639324832} is an apocalyptic number.

It is an amenable number.

1669639324832 is a deficient number, since it is larger than the sum of its proper divisors (1628943034240).

1669639324832 is a wasteful number, since it uses less digits than its factorization.

1669639324832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40141 (or 40133 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 62.

The spelling of 1669639324832 in words is "one trillion, six hundred sixty-nine billion, six hundred thirty-nine million, three hundred twenty-four thousand, eight hundred thirty-two".