4161865294580 has 192 divisors, whose sum is σ = 11074861056000. Its totient is φ = 1308215422080.

The previous prime is 4161865294579. The next prime is 4161865294583. The reversal of 4161865294580 is 854925681614.

It is a super-2 number, since 2×4161865294580² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161865294583) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3525527 + ... + 4555553.

It is an arithmetic number, because the mean of its divisors is an integer number (57681568000).

Almost surely, 2^{4161865294580} 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 4161865294580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5537430528000).

4161865294580 is an abundant number, since it is smaller than the sum of its proper divisors (6912995761420).

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

4161865294580 is a wasteful number, since it uses less digits than its factorization.

4161865294580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030107 (or 1030091 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 4161865294580 in words is "four trillion, one hundred sixty-one billion, eight hundred sixty-five million, two hundred ninety-four thousand, five hundred eighty".