1611130400068 has 72 divisors (see below), whose sum is σ = 3355857086400. Its totient is φ = 662948474496.

The previous prime is 1611130400053. The next prime is 1611130400071. The reversal of 1611130400068 is 8600040311161.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4023978 + ... + 4406206.

It is an arithmetic number, because the mean of its divisors is an integer number (46609126200).

Almost surely, 2^{1611130400068} 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 1611130400068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677928543200).

1611130400068 is an abundant number, since it is smaller than the sum of its proper divisors (1744726686332).

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

1611130400068 is a wasteful number, since it uses less digits than its factorization.

1611130400068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382477 (or 382446 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 1611130400068 in words is "one trillion, six hundred eleven billion, one hundred thirty million, four hundred thousand, sixty-eight".