106784145236691 has 24 divisors (see below), whose sum is σ = 166159765598736. Its totient is φ = 65693106648000.

The previous prime is 106784145236689. The next prime is 106784145236711. The reversal of 106784145236691 is 196632541487601.

106784145236691 is a `hidden beast` number, since 1 + 0 + 6 + 7 + 8 + 4 + 14 + 523 + 6 + 6 + 91 = 666.

106784145236691 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 106784145236691 - 2¹ = 106784145236689 is a prime.

It is a super-2 number, since 2×106784145236691² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106784145236651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139989520 + ... + 140750253.

It is an arithmetic number, because the mean of its divisors is an integer number (6923323566614).

It is a 2-persistent number, because it is pandigital, and so is 2⋅106784145236691 = 213568290473382, but 3⋅106784145236691 = 320352435710073 is not.

Almost surely, 2^{106784145236691} is an apocalyptic number.

106784145236691 is a deficient number, since it is larger than the sum of its proper divisors (59375620362045).

106784145236691 is a wasteful number, since it uses less digits than its factorization.

106784145236691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280743043 (or 280743040 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 106784145236691 in words is "one hundred six trillion, seven hundred eighty-four billion, one hundred forty-five million, two hundred thirty-six thousand, six hundred ninety-one".