1641740674164 has 48 divisors (see below), whose sum is σ = 3934455012096. Its totient is φ = 532430236800.

The previous prime is 1641740674121. The next prime is 1641740674169. The reversal of 1641740674164 is 4614760471461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641740674169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10270774 + ... + 10429394.

It is an arithmetic number, because the mean of its divisors is an integer number (81967812752).

Almost surely, 2^{1641740674164} is an apocalyptic number.

It is an amenable number.

1641740674164 is an abundant number, since it is smaller than the sum of its proper divisors (2292714337932).

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

1641740674164 is a wasteful number, since it uses less digits than its factorization.

1641740674164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181976 (or 181974 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 1641740674164 in words is "one trillion, six hundred forty-one billion, seven hundred forty million, six hundred seventy-four thousand, one hundred sixty-four".