6111681 has 8 divisors (see below), whose sum is σ = 8411904. Its totient is φ = 3942960.

The previous prime is 6111671. The next prime is 6111683. The reversal of 6111681 is 1861116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6111681 - 2⁵ = 6111649 is a prime.

It is a super-2 number, since 2×6111681² = 74705289291522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6111683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32766 + ... + 32951.

It is an arithmetic number, because the mean of its divisors is an integer number (1051488).

Almost surely, 2^6111681 is an apocalyptic number.

It is an amenable number.

6111681 is a deficient number, since it is larger than the sum of its proper divisors (2300223).

6111681 is a wasteful number, since it uses less digits than its factorization.

6111681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65751.

The product of its digits is 288, while the sum is 24.

The square root of 6111681 is about 2472.1814253812. The cubic root of 6111681 is about 182.8325680505.

Adding to 6111681 its reverse (1861116), we get a palindrome (7972797).

The spelling of 6111681 in words is "six million, one hundred eleven thousand, six hundred eighty-one".