2161060315203 has 8 divisors (see below), whose sum is σ = 2881420947216. Its totient is φ = 1440703280000.

The previous prime is 2161060315189. The next prime is 2161060315207. The reversal of 2161060315203 is 3025130601612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2161060315203 - 2⁵ = 2161060315171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2161060315207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208503 + ... + 2404703.

It is an arithmetic number, because the mean of its divisors is an integer number (360177618402).

Almost surely, 2^{2161060315203} is an apocalyptic number.

2161060315203 is a deficient number, since it is larger than the sum of its proper divisors (720360632013).

2161060315203 is a wasteful number, since it uses less digits than its factorization.

2161060315203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798405.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 2161060315203 its reverse (3025130601612), we get a palindrome (5186190916815).

The spelling of 2161060315203 in words is "two trillion, one hundred sixty-one billion, sixty million, three hundred fifteen thousand, two hundred three".