4172266681 has 8 divisors (see below), whose sum is σ = 4552070400. Its totient is φ = 3792547440.

The previous prime is 4172266643. The next prime is 4172266699. The reversal of 4172266681 is 1866622714.

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

It is not a de Polignac number, because 4172266681 - 2⁹ = 4172266169 is a prime.

It is a super-2 number, since 2×4172266681² = 34815618514765511522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4172266621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127915 + ... + 157183.

It is an arithmetic number, because the mean of its divisors is an integer number (569008800).

Almost surely, 2^4172266681 is an apocalyptic number.

It is an amenable number.

4172266681 is a deficient number, since it is larger than the sum of its proper divisors (379803719).

4172266681 is a wasteful number, since it uses less digits than its factorization.

4172266681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42239.

The product of its digits is 193536, while the sum is 43.

The square root of 4172266681 is about 64593.0853961939. The cubic root of 4172266681 is about 1609.8695522050.

The spelling of 4172266681 in words is "four billion, one hundred seventy-two million, two hundred sixty-six thousand, six hundred eighty-one".