2616321504 has 48 divisors (see below), whose sum is σ = 7053470928. Its totient is φ = 848535552.

The previous prime is 2616321503. The next prime is 2616321509. The reversal of 2616321504 is 4051236162.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616321503) 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, 364737 + ... + 371840.

It is an arithmetic number, because the mean of its divisors is an integer number (146947311).

Almost surely, 2^2616321504 is an apocalyptic number.

2616321504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2616321504 is an abundant number, since it is smaller than the sum of its proper divisors (4437149424).

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

2616321504 is a wasteful number, since it uses less digits than its factorization.

2616321504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736627 (or 736619 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2616321504 is about 51149.9902639287. The cubic root of 2616321504 is about 1377.9401994745.

Adding to 2616321504 its reverse (4051236162), we get a palindrome (6667557666).

The spelling of 2616321504 in words is "two billion, six hundred sixteen million, three hundred twenty-one thousand, five hundred four".