1671880499 has 8 divisors (see below), whose sum is σ = 1729554432. Its totient is φ = 1614440520.

The previous prime is 1671880489. The next prime is 1671880501. The reversal of 1671880499 is 9940881761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1671880499 - 2²⁰ = 1670831923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1671880499.

It is not an unprimeable number, because it can be changed into a prime (1671880429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43889 + ... + 72594.

It is an arithmetic number, because the mean of its divisors is an integer number (216194304).

Almost surely, 2^1671880499 is an apocalyptic number.

1671880499 is a deficient number, since it is larger than the sum of its proper divisors (57673933).

1671880499 is a wasteful number, since it uses less digits than its factorization.

1671880499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116977.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 1671880499 is about 40888.6353281691. The cubic root of 1671880499 is about 1186.8661508770.

The spelling of 1671880499 in words is "one billion, six hundred seventy-one million, eight hundred eighty thousand, four hundred ninety-nine".