1611566060992 has 112 divisors (see below), whose sum is σ = 3403617719040. Its totient is φ = 754927644672.

The previous prime is 1611566060987. The next prime is 1611566061221. The reversal of 1611566060992 is 2990606651161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77145973 + ... + 77166859.

It is an arithmetic number, because the mean of its divisors is an integer number (30389443920).

Almost surely, 2^{1611566060992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611566060992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701808859520).

1611566060992 is an abundant number, since it is smaller than the sum of its proper divisors (1792051658048).

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

1611566060992 is a wasteful number, since it uses less digits than its factorization.

1611566060992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21618 (or 21608 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 1611566060992 in words is "one trillion, six hundred eleven billion, five hundred sixty-six million, sixty thousand, nine hundred ninety-two".