1146117721616 has 60 divisors (see below), whose sum is σ = 2631889312812. Its totient is φ = 481925493504.

The previous prime is 1146117721597. The next prime is 1146117721621. The reversal of 1146117721616 is 6161277116411.

It can be written as a sum of positive squares in 2 ways, for example, as 519639139600 + 626478582016 = 720860^2 + 791504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13749815 + ... + 13832918.

Almost surely, 2^{1146117721616} is an apocalyptic number.

1146117721616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1146117721616 is an abundant number, since it is smaller than the sum of its proper divisors (1485771591196).

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

1146117721616 is a wasteful number, since it uses less digits than its factorization.

1146117721616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27582808 (or 27582795 counting only the distinct ones).

The product of its digits is 84672, while the sum is 44.

The spelling of 1146117721616 in words is "one trillion, one hundred forty-six billion, one hundred seventeen million, seven hundred twenty-one thousand, six hundred sixteen".