66601033422 has 64 divisors (see below), whose sum is σ = 167377895424. Its totient is φ = 17162742240.

The previous prime is 66601033417. The next prime is 66601033483. The reversal of 66601033422 is 22433010666.

It is a super-2 number, since 2×66601033422² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508878 + ... + 626225.

It is an arithmetic number, because the mean of its divisors is an integer number (2615279616).

Almost surely, 2^66601033422 is an apocalyptic number.

66601033422 is an abundant number, since it is smaller than the sum of its proper divisors (100776862002).

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

66601033422 is a wasteful number, since it uses less digits than its factorization.

66601033422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135253.

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

The spelling of 66601033422 in words is "sixty-six billion, six hundred one million, thirty-three thousand, four hundred twenty-two".