4166643 has 16 divisors (see below), whose sum is σ = 6298880. Its totient is φ = 2428704.

The previous prime is 4166641. The next prime is 4166647. The reversal of 4166643 is 3466614.

It is not a de Polignac number, because 4166643 - 2¹ = 4166641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4166643.

It is not an unprimeable number, because it can be changed into a prime (4166641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (393680).

Almost surely, 2^4166643 is an apocalyptic number.

4166643 is a deficient number, since it is larger than the sum of its proper divisors (2132237).

4166643 is a wasteful number, since it uses less digits than its factorization.

4166643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658.

The product of its digits is 10368, while the sum is 30.

The square root of 4166643 is about 2041.2356551854. The cubic root of 4166643 is about 160.9145927682.

The spelling of 4166643 in words is "four million, one hundred sixty-six thousand, six hundred forty-three".