1044572061616 has 20 divisors (see below), whose sum is σ = 2111852212272. Its totient is φ = 499577942336.

The previous prime is 1044572061529. The next prime is 1044572061653. The reversal of 1044572061616 is 6161602754401.

It is a super-2 number, since 2×1044572061616² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419255151 + ... + 1419255886.

Almost surely, 2^{1044572061616} is an apocalyptic number.

1044572061616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1044572061616 is an abundant number, since it is smaller than the sum of its proper divisors (1067280150656).

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

1044572061616 is a wasteful number, since it uses less digits than its factorization.

1044572061616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838511068 (or 2838511062 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1044572061616 in words is "one trillion, forty-four billion, five hundred seventy-two million, sixty-one thousand, six hundred sixteen".