2161385341 has 8 divisors (see below), whose sum is σ = 2256815520. Its totient is φ = 2067348528.

The previous prime is 2161385339. The next prime is 2161385357. The reversal of 2161385341 is 1435831612.

2161385341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2161385341 - 2¹ = 2161385339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2161385297 and 2161385306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161385311) 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, 345171 + ... + 351376.

It is an arithmetic number, because the mean of its divisors is an integer number (282101940).

Almost surely, 2^2161385341 is an apocalyptic number.

It is an amenable number.

2161385341 is a deficient number, since it is larger than the sum of its proper divisors (95430179).

2161385341 is a wasteful number, since it uses less digits than its factorization.

2161385341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696683.

The product of its digits is 17280, while the sum is 34.

The square root of 2161385341 is about 46490.7016617302. The cubic root of 2161385341 is about 1292.9371092840.

The spelling of 2161385341 in words is "two billion, one hundred sixty-one million, three hundred eighty-five thousand, three hundred forty-one".