1611112986 has 24 divisors (see below), whose sum is σ = 3989422944. Its totient is φ = 460317960.

The previous prime is 1611112973. The next prime is 1611113071. The reversal of 1611112986 is 6892111161.

It is a happy number.

1611112986 is a `hidden beast` number, since 1 + 611 + 11 + 29 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1611112986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6393180 + ... + 6393431.

It is an arithmetic number, because the mean of its divisors is an integer number (166225956).

Almost surely, 2^1611112986 is an apocalyptic number.

1611112986 is an abundant number, since it is smaller than the sum of its proper divisors (2378309958).

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

1611112986 is a wasteful number, since it uses less digits than its factorization.

1611112986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786626 (or 12786623 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The square root of 1611112986 is about 40138.6719511246. The cubic root of 1611112986 is about 1172.3087307472.

The spelling of 1611112986 in words is "one billion, six hundred eleven million, one hundred twelve thousand, nine hundred eighty-six".