1066377623622 has 8 divisors (see below), whose sum is σ = 2132755247256. Its totient is φ = 355459207872.

The previous prime is 1066377623603. The next prime is 1066377623677. The reversal of 1066377623622 is 2263267736601.

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

1066377623622 is an admirable number.

It is a super-2 number, since 2×1066377623622² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88864801963 + ... + 88864801974.

It is an arithmetic number, because the mean of its divisors is an integer number (266594405907).

Almost surely, 2^{1066377623622} is an apocalyptic number.

1066377623622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1066377623622 is a wasteful number, since it uses less digits than its factorization.

1066377623622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177729603942.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 1066377623622 in words is "one trillion, sixty-six billion, three hundred seventy-seven million, six hundred twenty-three thousand, six hundred twenty-two".