1066420456192 has 72 divisors (see below), whose sum is σ = 2619908004896. Its totient is φ = 421880610816.

The previous prime is 1066420456169. The next prime is 1066420456223. The reversal of 1066420456192 is 2916540246601.

It is a super-2 number, since 2×1066420456192² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22865193 + ... + 22911784.

Almost surely, 2^{1066420456192} is an apocalyptic number.

It is an amenable number.

1066420456192 is an abundant number, since it is smaller than the sum of its proper divisors (1553487548704).

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

1066420456192 is an equidigital number, since it uses as much as digits as its factorization.

1066420456192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45777013 (or 45776999 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 1066420456192 in words is "one trillion, sixty-six billion, four hundred twenty million, four hundred fifty-six thousand, one hundred ninety-two".