1066416636432 has 40 divisors (see below), whose sum is σ = 3148468165696. Its totient is φ = 304690467456.

The previous prime is 1066416636379. The next prime is 1066416636449. The reversal of 1066416636432 is 2346366146601.

It is a happy number.

It is a super-2 number, since 2×1066416636432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1586929183 + ... + 1586929854.

Almost surely, 2^{1066416636432} is an apocalyptic number.

1066416636432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066416636432 is an abundant number, since it is smaller than the sum of its proper divisors (2082051529264).

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

1066416636432 is a wasteful number, since it uses less digits than its factorization.

1066416636432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173859055 (or 3173859049 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 1066416636432 in words is "one trillion, sixty-six billion, four hundred sixteen million, six hundred thirty-six thousand, four hundred thirty-two".