2601965366 has 72 divisors (see below), whose sum is σ = 5374625760. Its totient is φ = 935716320.

The previous prime is 2601965363. The next prime is 2601965369. The reversal of 2601965366 is 6635691062.

It is an interprime number because it is at equal distance from previous prime (2601965363) and next prime (2601965369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601965363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145715 + ... + 162593.

It is an arithmetic number, because the mean of its divisors is an integer number (74647580).

Almost surely, 2^2601965366 is an apocalyptic number.

2601965366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2601965366 is an abundant number, since it is smaller than the sum of its proper divisors (2772660394).

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

2601965366 is a wasteful number, since it uses less digits than its factorization.

2601965366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930 (or 16912 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 2601965366 is about 51009.4634945321. The cubic root of 2601965366 is about 1375.4152559116.

It can be divided in two parts, 260196 and 5366, that added together give a palindrome (265562).

The spelling of 2601965366 in words is "two billion, six hundred one million, nine hundred sixty-five thousand, three hundred sixty-six".