1966055 has 32 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 1193472.

The previous prime is 1966049. The next prime is 1966079. The reversal of 1966055 is 5506691.

It is a de Polignac number, because none of the positive numbers 2^k-1966055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13121 + ... + 13269.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1966055 is an apocalyptic number.

1966055 is a deficient number, since it is larger than the sum of its proper divisors (1057945).

1966055 is a wasteful number, since it uses less digits than its factorization.

1966055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1966055 is about 1402.1608324297. The cubic root of 1966055 is about 125.2752335272.

The spelling of 1966055 in words is "one million, nine hundred sixty-six thousand, fifty-five".