66552622 has 8 divisors (see below), whose sum is σ = 103271400. Its totient is φ = 32128824.

The previous prime is 66552617. The next prime is 66552623. The reversal of 66552622 is 22625566.

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 (66552623) 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, 573672 + ... + 573787.

It is an arithmetic number, because the mean of its divisors is an integer number (12908925).

Almost surely, 2^66552622 is an apocalyptic number.

66552622 is a deficient number, since it is larger than the sum of its proper divisors (36718778).

66552622 is a wasteful number, since it uses less digits than its factorization.

66552622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147490.

The product of its digits is 43200, while the sum is 34.

The square root of 66552622 is about 8157.9790389532. The cubic root of 66552622 is about 405.2487868360.

The spelling of 66552622 in words is "sixty-six million, five hundred fifty-two thousand, six hundred twenty-two".