86173700660 has 12 divisors (see below), whose sum is σ = 180964771428. Its totient is φ = 34469480256.

The previous prime is 86173700633. The next prime is 86173700681. The reversal of 86173700660 is 6600737168.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57844098064 + 28329602596 = 240508^2 + 168314^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154342497 + ... + 2154342536.

It is an arithmetic number, because the mean of its divisors is an integer number (15080397619).

Almost surely, 2^86173700660 is an apocalyptic number.

It is an amenable number.

86173700660 is an abundant number, since it is smaller than the sum of its proper divisors (94791070768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86173700660 is a wasteful number, since it uses less digits than its factorization.

86173700660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308685042 (or 4308685040 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 86173700660 in words is "eighty-six billion, one hundred seventy-three million, seven hundred thousand, six hundred sixty".