6116981 has 8 divisors (see below), whose sum is σ = 6609120. Its totient is φ = 5627952.

The previous prime is 6116977. The next prime is 6116987. The reversal of 6116981 is 1896116.

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

It is a cyclic number.

It is not a de Polignac number, because 6116981 - 2² = 6116977 is a prime.

It is a super-2 number, since 2×6116981² = 74834913108722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6116987) 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, 4886 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (826140).

Almost surely, 2^6116981 is an apocalyptic number.

It is an amenable number.

6116981 is a deficient number, since it is larger than the sum of its proper divisors (492139).

6116981 is a wasteful number, since it uses less digits than its factorization.

6116981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its digits is 2592, while the sum is 32.

The square root of 6116981 is about 2473.2531208916. The cubic root of 6116981 is about 182.8854030855.

The spelling of 6116981 in words is "six million, one hundred sixteen thousand, nine hundred eighty-one".