66632622 has 32 divisors (see below), whose sum is σ = 161263872. Its totient is φ = 17917824.

The previous prime is 66632611. The next prime is 66632659. The reversal of 66632622 is 22623666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45948 + ... + 47375.

It is an arithmetic number, because the mean of its divisors is an integer number (5039496).

Almost surely, 2^66632622 is an apocalyptic number.

66632622 is an abundant number, since it is smaller than the sum of its proper divisors (94631250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66632622 is a wasteful number, since it uses less digits than its factorization.

66632622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93352.

The product of its digits is 31104, while the sum is 33.

The square root of 66632622 is about 8162.8807415030. The cubic root of 66632622 is about 405.4110991059.

The spelling of 66632622 in words is "sixty-six million, six hundred thirty-two thousand, six hundred twenty-two".