1668483615 has 16 divisors (see below), whose sum is σ = 2826607968. Its totient is φ = 837513216.

The previous prime is 1668483569. The next prime is 1668483637. The reversal of 1668483615 is 5163848661.

It is not a de Polignac number, because 1668483615 - 2¹¹ = 1668481567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271282 + ... + 3271791.

It is an arithmetic number, because the mean of its divisors is an integer number (176662998).

Almost surely, 2^1668483615 is an apocalyptic number.

1668483615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1668483615 is a deficient number, since it is larger than the sum of its proper divisors (1158124353).

1668483615 is a wasteful number, since it uses less digits than its factorization.

1668483615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543098.

The product of its digits is 829440, while the sum is 48.

The square root of 1668483615 is about 40847.0759663406. The cubic root of 1668483615 is about 1186.0617911172.

The spelling of 1668483615 in words is "one billion, six hundred sixty-eight million, four hundred eighty-three thousand, six hundred fifteen".