44106261666 has 16 divisors (see below), whose sum is σ = 88232747904. Its totient is φ = 14698716464.

The previous prime is 44106261649. The next prime is 44106261697. The reversal of 44106261666 is 66616260144.

It is a super-2 number, since 2×44106261666² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814266 + ... + 866741.

It is an arithmetic number, because the mean of its divisors is an integer number (5514546744).

Almost surely, 2^44106261666 is an apocalyptic number.

44106261666 is an abundant number, since it is smaller than the sum of its proper divisors (44126486238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44106261666 is a wasteful number, since it uses less digits than its factorization.

44106261666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685385.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 44106261666 in words is "forty-four billion, one hundred six million, two hundred sixty-one thousand, six hundred sixty-six".