1680532092 has 18 divisors (see below), whose sum is σ = 4248011768. Its totient is φ = 560177352.

The previous prime is 1680532069. The next prime is 1680532129. The reversal of 1680532092 is 2902350861.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1680532092² = 5648376224483792928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 46681447 = 1680532092 / (1 + 6 + 8 + 0 + 5 + 3 + 2 + 0 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23340688 + ... + 23340759.

Almost surely, 2^1680532092 is an apocalyptic number.

1680532092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1680532092 is an abundant number, since it is smaller than the sum of its proper divisors (2567479676).

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

1680532092 is a wasteful number, since it uses less digits than its factorization.

1680532092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46681457 (or 46681452 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1680532092 is about 40994.2934077415. The cubic root of 1680532092 is about 1188.9098818018.

The spelling of 1680532092 in words is "one billion, six hundred eighty million, five hundred thirty-two thousand, ninety-two".