101372686166 has 4 divisors (see below), whose sum is σ = 152059029252. Its totient is φ = 50686343082.

The previous prime is 101372686159. The next prime is 101372686171. The reversal of 101372686166 is 661686273101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661686273101 = 7 ⋅94526610443.

It is a self number, because there is not a number n which added to its sum of digits gives 101372686166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25343171540 + ... + 25343171543.

It is an arithmetic number, because the mean of its divisors is an integer number (38014757313).

Almost surely, 2^101372686166 is an apocalyptic number.

101372686166 is a deficient number, since it is larger than the sum of its proper divisors (50686343086).

101372686166 is an equidigital number, since it uses as much as digits as its factorization.

101372686166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50686343085.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 101372686166 in words is "one hundred one billion, three hundred seventy-two million, six hundred eighty-six thousand, one hundred sixty-six".