66534226 has 32 divisors (see below), whose sum is σ = 118117440. Its totient is φ = 27763200.

The previous prime is 66534203. The next prime is 66534227. The reversal of 66534226 is 62243566.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 66534191 and 66534200.

It is not an unprimeable number, because it can be changed into a prime (66534227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13165 + ... + 17503.

It is an arithmetic number, because the mean of its divisors is an integer number (3691170).

Almost surely, 2^66534226 is an apocalyptic number.

66534226 is a deficient number, since it is larger than the sum of its proper divisors (51583214).

66534226 is a wasteful number, since it uses less digits than its factorization.

66534226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410.

The product of its digits is 51840, while the sum is 34.

The square root of 66534226 is about 8156.8514759066. The cubic root of 66534226 is about 405.2114447376.

The spelling of 66534226 in words is "sixty-six million, five hundred thirty-four thousand, two hundred twenty-six".