1666115032 has 128 divisors (see below), whose sum is σ = 3530096640. Its totient is φ = 734469120.

The previous prime is 1666115029. The next prime is 1666115117. The reversal of 1666115032 is 2305116661.

It is a super-2 number, since 2×1666115032² = 5551878599712722048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1666114985 and 1666115003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13118953 + ... + 13119079.

It is an arithmetic number, because the mean of its divisors is an integer number (27578880).

Almost surely, 2^1666115032 is an apocalyptic number.

It is an amenable number.

1666115032 is an abundant number, since it is smaller than the sum of its proper divisors (1863981608).

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

1666115032 is a wasteful number, since it uses less digits than its factorization.

1666115032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1666115032 is about 40818.0723699687. The cubic root of 1666115032 is about 1185.5002800190.

The spelling of 1666115032 in words is "one billion, six hundred sixty-six million, one hundred fifteen thousand, thirty-two".