107818681 has 8 divisors (see below), whose sum is σ = 109166400. Its totient is φ = 106479600.

The previous prime is 107818663. The next prime is 107818693. The reversal of 107818681 is 186818701.

It is a happy number.

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 107818681 - 2⁹ = 107818169 is a prime.

It is a super-2 number, since 2×107818681² = 23249735945159522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107818631) 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, 25035 + ... + 29023.

It is an arithmetic number, because the mean of its divisors is an integer number (13645800).

Almost surely, 2^107818681 is an apocalyptic number.

It is an amenable number.

107818681 is a deficient number, since it is larger than the sum of its proper divisors (1347719).

107818681 is a wasteful number, since it uses less digits than its factorization.

107818681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 21504, while the sum is 40.

The square root of 107818681 is about 10383.5774663649. The cubic root of 107818681 is about 475.9536607786.

The spelling of 107818681 in words is "one hundred seven million, eight hundred eighteen thousand, six hundred eighty-one".