107668381864 has 8 divisors (see below), whose sum is σ = 201878216010. Its totient is φ = 53834190928.

The previous prime is 107668381721. The next prime is 107668381921. The reversal of 107668381864 is 468183866701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73735057764 + 33933324100 = 271542^2 + 184210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×107668381864² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107668381799 and 107668381808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6729273859 + ... + 6729273874.

Almost surely, 2^107668381864 is an apocalyptic number.

It is an amenable number.

107668381864 is a deficient number, since it is larger than the sum of its proper divisors (94209834146).

107668381864 is a wasteful number, since it uses less digits than its factorization.

107668381864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458547739 (or 13458547735 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 107668381864 in words is "one hundred seven billion, six hundred sixty-eight million, three hundred eighty-one thousand, eight hundred sixty-four".