2061369161 has 4 divisors (see below), whose sum is σ = 2071728000. Its totient is φ = 2051010324.

The previous prime is 2061369137. The next prime is 2061369169. The reversal of 2061369161 is 1619631602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2061369161 - 2²² = 2057174857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061369169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5179121 + ... + 5179518.

It is an arithmetic number, because the mean of its divisors is an integer number (517932000).

Almost surely, 2^2061369161 is an apocalyptic number.

It is an amenable number.

2061369161 is a deficient number, since it is larger than the sum of its proper divisors (10358839).

2061369161 is a wasteful number, since it uses less digits than its factorization.

2061369161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358838.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2061369161 is about 45402.3034768061. The cubic root of 2061369161 is about 1272.6781603329.

The spelling of 2061369161 in words is "two billion, sixty-one million, three hundred sixty-nine thousand, one hundred sixty-one".