1669932552 has 32 divisors (see below), whose sum is σ = 4309505280. Its totient is φ = 538687680.

The previous prime is 1669932547. The next prime is 1669932557. The reversal of 1669932552 is 2552399661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1669932547) and next prime (1669932557).

It is not an unprimeable number, because it can be changed into a prime (1669932557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121523 + ... + 1123010.

It is an arithmetic number, because the mean of its divisors is an integer number (134672040).

Almost surely, 2^1669932552 is an apocalyptic number.

1669932552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1669932552 is an abundant number, since it is smaller than the sum of its proper divisors (2639572728).

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

1669932552 is a wasteful number, since it uses less digits than its factorization.

1669932552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244573 (or 2244569 counting only the distinct ones).

The product of its digits is 874800, while the sum is 48.

The square root of 1669932552 is about 40864.8082339805. The cubic root of 1669932552 is about 1186.4050232537.

The spelling of 1669932552 in words is "one billion, six hundred sixty-nine million, nine hundred thirty-two thousand, five hundred fifty-two".