1641156104060 has 384 divisors, whose sum is σ = 4216259174400. Its totient is φ = 530216755200.

The previous prime is 1641156104041. The next prime is 1641156104141. The reversal of 1641156104060 is 604016511461.

It is a self number, because there is not a number n which added to its sum of digits gives 1641156104060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 360770666 + ... + 360775214.

It is an arithmetic number, because the mean of its divisors is an integer number (10979841600).

Almost surely, 2^{1641156104060} is an apocalyptic number.

1641156104060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641156104060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2108129587200).

1641156104060 is an abundant number, since it is smaller than the sum of its proper divisors (2575103070340).

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

1641156104060 is a wasteful number, since it uses less digits than its factorization.

1641156104060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 1641156104060 in words is "one trillion, six hundred forty-one billion, one hundred fifty-six million, one hundred four thousand, sixty".