2161460205357 has 16 divisors (see below), whose sum is σ = 2921485190400. Its totient is φ = 1421205149952.

The previous prime is 2161460205323. The next prime is 2161460205383. The reversal of 2161460205357 is 7535020641612.

It is not a de Polignac number, because 2161460205357 - 2¹² = 2161460201261 is a prime.

It is a super-2 number, since 2×2161460205357² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161460205757) 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, 18567708 + ... + 18683754.

It is an arithmetic number, because the mean of its divisors is an integer number (182592824400).

Almost surely, 2^{2161460205357} is an apocalyptic number.

It is an amenable number.

2161460205357 is a deficient number, since it is larger than the sum of its proper divisors (760024985043).

2161460205357 is a wasteful number, since it uses less digits than its factorization.

2161460205357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201172.

The product of its (nonzero) digits is 302400, while the sum is 42.

Adding to 2161460205357 its reverse (7535020641612), we get a palindrome (9696480846969).

The spelling of 2161460205357 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, two hundred five thousand, three hundred fifty-seven".