1665106116 has 48 divisors (see below), whose sum is σ = 4200288960. Its totient is φ = 511608960.

The previous prime is 1665106109. The next prime is 1665106133. The reversal of 1665106116 is 6116015661.

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, 90255 + ... + 107126.

It is an arithmetic number, because the mean of its divisors is an integer number (87506020).

Almost surely, 2^1665106116 is an apocalyptic number.

It is an amenable number.

1665106116 is an abundant number, since it is smaller than the sum of its proper divisors (2535182844).

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

1665106116 is a wasteful number, since it uses less digits than its factorization.

1665106116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197444 (or 197442 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1665106116 is about 40805.7118060695. The cubic root of 1665106116 is about 1185.2609384598.

The spelling of 1665106116 in words is "one billion, six hundred sixty-five million, one hundred six thousand, one hundred sixteen".