4268172566 has 64 divisors (see below), whose sum is σ = 7669284864. Its totient is φ = 1743184800.

The previous prime is 4268172547. The next prime is 4268172589. The reversal of 4268172566 is 6652718624.

It is a self number, because there is not a number n which added to its sum of digits gives 4268172566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11629715 + ... + 11630081.

It is an arithmetic number, because the mean of its divisors is an integer number (119832576).

Almost surely, 2^4268172566 is an apocalyptic number.

4268172566 is a deficient number, since it is larger than the sum of its proper divisors (3401112298).

4268172566 is a wasteful number, since it uses less digits than its factorization.

4268172566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its digits is 967680, while the sum is 47.

The square root of 4268172566 is about 65331.2525978188. The cubic root of 4268172566 is about 1622.1113260400. Note that the first 3 decimals are identical.

The spelling of 4268172566 in words is "four billion, two hundred sixty-eight million, one hundred seventy-two thousand, five hundred sixty-six".