2610161890 has 48 divisors (see below), whose sum is σ = 5496076800. Its totient is φ = 889883232.

The previous prime is 2610161881. The next prime is 2610161891. The reversal of 2610161890 is 981610162.

It is not an unprimeable number, because it can be changed into a prime (2610161891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72831 + ... + 102589.

It is an arithmetic number, because the mean of its divisors is an integer number (114501600).

Almost surely, 2^2610161890 is an apocalyptic number.

2610161890 is an abundant number, since it is smaller than the sum of its proper divisors (2885914910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2610161890 is a wasteful number, since it uses less digits than its factorization.

2610161890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29959 (or 29952 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 2610161890 is about 51089.7434912331. The cubic root of 2610161890 is about 1376.8579867526.

The spelling of 2610161890 in words is "two billion, six hundred ten million, one hundred sixty-one thousand, eight hundred ninety".