101686340618 has 8 divisors (see below), whose sum is σ = 152537843712. Its totient is φ = 50840392716.

The previous prime is 101686340611. The next prime is 101686340621. The reversal of 101686340618 is 816043686101.

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

It is a super-2 number, since 2×101686340618² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101686340611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342730 + ... + 1416437.

It is an arithmetic number, because the mean of its divisors is an integer number (19067230464).

Almost surely, 2^101686340618 is an apocalyptic number.

101686340618 is a deficient number, since it is larger than the sum of its proper divisors (50851503094).

101686340618 is a wasteful number, since it uses less digits than its factorization.

101686340618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777596.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 101686340618 in words is "one hundred one billion, six hundred eighty-six million, three hundred forty thousand, six hundred eighteen".