2601066516 has 24 divisors (see below), whose sum is σ = 6071914464. Its totient is φ = 866628000.

The previous prime is 2601066511. The next prime is 2601066529. The reversal of 2601066516 is 6156601062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601066511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21135 + ... + 75158.

It is an arithmetic number, because the mean of its divisors is an integer number (252996436).

Almost surely, 2^2601066516 is an apocalyptic number.

It is an amenable number.

2601066516 is an abundant number, since it is smaller than the sum of its proper divisors (3470847948).

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

2601066516 is a wasteful number, since it uses less digits than its factorization.

2601066516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98551 (or 98549 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2601066516 is about 51000.6521134779. The cubic root of 2601066516 is about 1375.2568584165.

Adding to 2601066516 its reverse (6156601062), we get a palindrome (8757667578).

The spelling of 2601066516 in words is "two billion, six hundred one million, sixty-six thousand, five hundred sixteen".