1806106959 has 12 divisors (see below), whose sum is σ = 2746127800. Its totient is φ = 1140699024.

The previous prime is 1806106933. The next prime is 1806106961. The reversal of 1806106959 is 9596016081.

1806106959 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1806106959 - 2⁹ = 1806106447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806106909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5280844 + ... + 5281185.

Almost surely, 2^1806106959 is an apocalyptic number.

1806106959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1806106959 is a deficient number, since it is larger than the sum of its proper divisors (940020841).

1806106959 is a wasteful number, since it uses less digits than its factorization.

1806106959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562054 (or 10562051 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 1806106959 is about 42498.3171313877. The cubic root of 1806106959 is about 1217.8145409909.

The spelling of 1806106959 in words is "one billion, eight hundred six million, one hundred six thousand, nine hundred fifty-nine".