66424006 has 8 divisors (see below), whose sum is σ = 108693864. Its totient is φ = 30192720.

The previous prime is 66423989. The next prime is 66424009. The reversal of 66424006 is 60042466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66424009) 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, 1509615 + ... + 1509658.

It is an arithmetic number, because the mean of its divisors is an integer number (13586733).

Almost surely, 2^66424006 is an apocalyptic number.

66424006 is a deficient number, since it is larger than the sum of its proper divisors (42269858).

66424006 is a wasteful number, since it uses less digits than its factorization.

66424006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019286.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 66424006 is about 8150.0923921143. The cubic root of 66424006 is about 404.9875645219.

It can be divided in two parts, 6642 and 4006, that added together give a cube (10648 = 22³).

The spelling of 66424006 in words is "sixty-six million, four hundred twenty-four thousand, six".