101668442678 has 32 divisors (see below), whose sum is σ = 167244786720. Its totient is φ = 45969408000.

The previous prime is 101668442671. The next prime is 101668442723. The reversal of 101668442678 is 876244866101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101668442671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915238 + ... + 4935878.

It is an arithmetic number, because the mean of its divisors is an integer number (5226399585).

Almost surely, 2^101668442678 is an apocalyptic number.

101668442678 is a deficient number, since it is larger than the sum of its proper divisors (65576344042).

101668442678 is a wasteful number, since it uses less digits than its factorization.

101668442678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 101668442678 in words is "one hundred one billion, six hundred sixty-eight million, four hundred forty-two thousand, six hundred seventy-eight".