1612086189 has 32 divisors (see below), whose sum is σ = 2526648576. Its totient is φ = 894965760.

The previous prime is 1612086187. The next prime is 1612086193. The reversal of 1612086189 is 9816802161.

It is not a de Polignac number, because 1612086189 - 2¹ = 1612086187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1612086189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612086187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773629 + ... + 775709.

It is an arithmetic number, because the mean of its divisors is an integer number (78957768).

Almost surely, 2^1612086189 is an apocalyptic number.

It is an amenable number.

1612086189 is a deficient number, since it is larger than the sum of its proper divisors (914562387).

1612086189 is a wasteful number, since it uses less digits than its factorization.

1612086189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 1612086189 is about 40150.7931303978. The cubic root of 1612086189 is about 1172.5447300718.

The spelling of 1612086189 in words is "one billion, six hundred twelve million, eighty-six thousand, one hundred eighty-nine".