66056043 has 8 divisors (see below), whose sum is σ = 90223056. Its totient is φ = 42963200.

The previous prime is 66056017. The next prime is 66056051. The reversal of 66056043 is 34065066.

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

It is a cyclic number.

It is not a de Polignac number, because 66056043 - 2¹⁰ = 66055019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66056043.

It is not an unprimeable number, because it can be changed into a prime (66056743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268398 + ... + 268643.

It is an arithmetic number, because the mean of its divisors is an integer number (11277882).

Almost surely, 2^66056043 is an apocalyptic number.

66056043 is a deficient number, since it is larger than the sum of its proper divisors (24167013).

66056043 is a wasteful number, since it uses less digits than its factorization.

66056043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537085.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 66056043 is about 8127.4868809491. The cubic root of 66056043 is about 404.2383551631.

The spelling of 66056043 in words is "sixty-six million, fifty-six thousand, forty-three".