1660556106 has 96 divisors (see below), whose sum is σ = 4161067200. Its totient is φ = 486799200.

The previous prime is 1660556087. The next prime is 1660556123. The reversal of 1660556106 is 6016550661.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569380 + ... + 572288.

It is an arithmetic number, because the mean of its divisors is an integer number (43344450).

Almost surely, 2^1660556106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660556106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080533600).

1660556106 is an abundant number, since it is smaller than the sum of its proper divisors (2500511094).

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

1660556106 is a wasteful number, since it uses less digits than its factorization.

1660556106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1660556106 is about 40749.9215459367. The cubic root of 1660556106 is about 1184.1803529173.

The spelling of 1660556106 in words is "one billion, six hundred sixty million, five hundred fifty-six thousand, one hundred six".