2646105396 has 96 divisors (see below), whose sum is σ = 7017615360. Its totient is φ = 768940800.

The previous prime is 2646105391. The next prime is 2646105439. The reversal of 2646105396 is 6935016462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646105391) 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 31 ways as a sum of consecutive naturals, for example, 315165 + ... + 323451.

It is an arithmetic number, because the mean of its divisors is an integer number (73100160).

Almost surely, 2^2646105396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646105396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508807680).

2646105396 is an abundant number, since it is smaller than the sum of its proper divisors (4371509964).

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

2646105396 is a wasteful number, since it uses less digits than its factorization.

2646105396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405 (or 8403 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2646105396 is about 51440.3090581695. The cubic root of 2646105396 is about 1383.1492517555.

The spelling of 2646105396 in words is "two billion, six hundred forty-six million, one hundred five thousand, three hundred ninety-six".