4066616231 has 4 divisors (see below), whose sum is σ = 4066927200. Its totient is φ = 4066305264.

The previous prime is 4066616221. The next prime is 4066616261. The reversal of 4066616231 is 1326166604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066616231 - 2¹⁸ = 4066354087 is a prime.

It is a super-2 number, since 2×4066616231² = 33074735140465290722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4066616191 and 4066616200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066616221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134966 + ... + 162323.

It is an arithmetic number, because the mean of its divisors is an integer number (1016731800).

Almost surely, 2^4066616231 is an apocalyptic number.

4066616231 is a deficient number, since it is larger than the sum of its proper divisors (310969).

4066616231 is a wasteful number, since it uses less digits than its factorization.

4066616231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310968.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 4066616231 is about 63770.0261172912. The cubic root of 4066616231 is about 1596.1648027956.

The spelling of 4066616231 in words is "four billion, sixty-six million, six hundred sixteen thousand, two hundred thirty-one".