2611997496 has 128 divisors (see below), whose sum is σ = 7560000000. Its totient is φ = 834865920.

The previous prime is 2611997447. The next prime is 2611997533. The reversal of 2611997496 is 6947991162.

It is a happy number.

2611997496 is a `hidden beast` number, since 2 + 61 + 1 + 9 + 97 + 496 = 666.

It is a super-2 number, since 2×2611997496² = 13645061838220540032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520005 + ... + 525003.

It is an arithmetic number, because the mean of its divisors is an integer number (59062500).

Almost surely, 2^2611997496 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 2611997496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780000000).

2611997496 is an abundant number, since it is smaller than the sum of its proper divisors (4948002504).

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

2611997496 is a wasteful number, since it uses less digits than its factorization.

2611997496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114 (or 5104 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 2611997496 is about 51107.7048594436. The cubic root of 2611997496 is about 1377.1806712781.

The spelling of 2611997496 in words is "two billion, six hundred eleven million, nine hundred ninety-seven thousand, four hundred ninety-six".