1659483087 has 4 divisors (see below), whose sum is σ = 2212644120. Its totient is φ = 1106322056.

The previous prime is 1659483061. The next prime is 1659483109. The reversal of 1659483087 is 7803849561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1659483087 - 2²⁷ = 1525265359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1659483187) 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 3 ways as a sum of consecutive naturals, for example, 276580512 + ... + 276580517.

It is an arithmetic number, because the mean of its divisors is an integer number (553161030).

Almost surely, 2^1659483087 is an apocalyptic number.

1659483087 is a deficient number, since it is larger than the sum of its proper divisors (553161033).

1659483087 is an equidigital number, since it uses as much as digits as its factorization.

1659483087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553161032.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1659483087 is about 40736.7535157135. The cubic root of 1659483087 is about 1183.9252332014.

It can be divided in two parts, 16594 and 83087, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 1659483087 in words is "one billion, six hundred fifty-nine million, four hundred eighty-three thousand, eighty-seven".