106449437681 has 8 divisors (see below), whose sum is σ = 106548247584. Its totient is φ = 106350677920.

The previous prime is 106449437669. The next prime is 106449437711. The reversal of 106449437681 is 186734944601.

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

It is a cyclic number.

It is not a de Polignac number, because 106449437681 - 2⁶ = 106449437617 is a prime.

It is a super-2 number, since 2×106449437681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106449437621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5180630 + ... + 5201136.

It is an arithmetic number, because the mean of its divisors is an integer number (13318530948).

Almost surely, 2^106449437681 is an apocalyptic number.

It is an amenable number.

106449437681 is a deficient number, since it is larger than the sum of its proper divisors (98809903).

106449437681 is a wasteful number, since it uses less digits than its factorization.

106449437681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25071.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 106449437681 in words is "one hundred six billion, four hundred forty-nine million, four hundred thirty-seven thousand, six hundred eighty-one".