1669730486532 has 24 divisors (see below), whose sum is σ = 3936203142816. Its totient is φ = 550838923008.

The previous prime is 1669730486449. The next prime is 1669730486533. The reversal of 1669730486532 is 2356840379661.

It is not an unprimeable number, because it can be changed into a prime (1669730486533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717237018 + ... + 717239345.

It is an arithmetic number, because the mean of its divisors is an integer number (164008464284).

It is a 1-persistent number, because it is pandigital, but 2⋅1669730486532 = 3339460973064 is not.

Almost surely, 2^{1669730486532} is an apocalyptic number.

1669730486532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1669730486532 is an abundant number, since it is smaller than the sum of its proper divisors (2266472656284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1669730486532 is a wasteful number, since it uses less digits than its factorization.

1669730486532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434476467 (or 1434476465 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 1669730486532 in words is "one trillion, six hundred sixty-nine billion, seven hundred thirty million, four hundred eighty-six thousand, five hundred thirty-two".