1446216641172 has 72 divisors (see below), whose sum is σ = 3686113461576.
Its totient is φ = 478077583104.
The previous prime is 1446216641167. The next prime is 1446216641197. The reversal of 1446216641172 is 2711466126441.
1446216641172 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 2 + 166 + 411 + 72 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1009554714756 + 436661926416 = 1004766^2 + 660804^2
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2180058 + ... + 2764974.
Almost surely, 21446216641172 is an apocalyptic number.
1446216641172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1446216641172 is an abundant number, since it is smaller than the sum of its proper divisors (2239896820404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1446216641172 is a wasteful number, since it uses less digits than its factorization.
1446216641172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585497 (or 585492 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The spelling of 1446216641172 in words is "one trillion, four hundred forty-six billion, two hundred sixteen million, six hundred forty-one thousand, one hundred seventy-two".