10161201205564 has 24 divisors (see below), whose sum is σ = 17856787365648. Its totient is φ = 5059264085760.

The previous prime is 10161201205489. The next prime is 10161201205637. The reversal of 10161201205564 is 46550210216101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19628922 + ... + 20139934.

It is an arithmetic number, because the mean of its divisors is an integer number (744032806902).

Almost surely, 2^{10161201205564} is an apocalyptic number.

It is an amenable number.

10161201205564 is a deficient number, since it is larger than the sum of its proper divisors (7695586160084).

10161201205564 is a wasteful number, since it uses less digits than its factorization.

10161201205564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531885 (or 531883 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 10161201205564 in words is "ten trillion, one hundred sixty-one billion, two hundred one million, two hundred five thousand, five hundred sixty-four".