107191865986 has 8 divisors (see below), whose sum is σ = 160805594700. Its totient is φ = 53590001088.

The previous prime is 107191865971. The next prime is 107191865993. The reversal of 107191865986 is 689568191701.

It can be written as a sum of positive squares in 2 ways, for example, as 89591863761 + 17600002225 = 299319^2 + 132665^2 .

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

It is a super-2 number, since 2×107191865986² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943331 + ... + 2979526.

Almost surely, 2^107191865986 is an apocalyptic number.

107191865986 is a deficient number, since it is larger than the sum of its proper divisors (53613728714).

107191865986 is an equidigital number, since it uses as much as digits as its factorization.

107191865986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931908.

The product of its (nonzero) digits is 6531840, while the sum is 61.

The spelling of 107191865986 in words is "one hundred seven billion, one hundred ninety-one million, eight hundred sixty-five thousand, nine hundred eighty-six".