4666172555 has 32 divisors (see below), whose sum is σ = 6166637568. Its totient is φ = 3361392000.

The previous prime is 4666172531. The next prime is 4666172557. The reversal of 4666172555 is 5552716664.

It is not a de Polignac number, because 4666172555 - 2²⁶ = 4599063691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4666172557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4176857 + ... + 4177973.

It is an arithmetic number, because the mean of its divisors is an integer number (192707424).

Almost surely, 2^4666172555 is an apocalyptic number.

4666172555 is a deficient number, since it is larger than the sum of its proper divisors (1500465013).

4666172555 is a wasteful number, since it uses less digits than its factorization.

4666172555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its digits is 1512000, while the sum is 47.

The square root of 4666172555 is about 68309.3884835752. The cubic root of 4666172555 is about 1671.0403303113.

The spelling of 4666172555 in words is "four billion, six hundred sixty-six million, one hundred seventy-two thousand, five hundred fifty-five".