2602610161 has 4 divisors (see below), whose sum is σ = 2614075632. Its totient is φ = 2591144692.

The previous prime is 2602610141. The next prime is 2602610203. The reversal of 2602610161 is 1610162062.

2602610161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1610162062 = 2 ⋅805081031.

It is a cyclic number.

It is not a de Polignac number, because 2602610161 - 2⁷ = 2602610033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2602610141) 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, 5732395 + ... + 5732848.

It is an arithmetic number, because the mean of its divisors is an integer number (653518908).

Almost surely, 2^2602610161 is an apocalyptic number.

It is an amenable number.

2602610161 is a deficient number, since it is larger than the sum of its proper divisors (11465471).

2602610161 is a wasteful number, since it uses less digits than its factorization.

2602610161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465470.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2602610161 is about 51015.7834498305. The cubic root of 2602610161 is about 1375.5288607587.

The spelling of 2602610161 in words is "two billion, six hundred two million, six hundred ten thousand, one hundred sixty-one".