5616121296 has 80 divisors (see below), whose sum is σ = 15025038336. Its totient is φ = 1806419328.

The previous prime is 5616121267. The next prime is 5616121349. The reversal of 5616121296 is 6921216165.

It is a super-2 number, since 2×5616121296² = 63081636822769439232, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154921 + ... + 187703.

Almost surely, 2^5616121296 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 5616121296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7512519168).

5616121296 is an abundant number, since it is smaller than the sum of its proper divisors (9408917040).

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

5616121296 is a wasteful number, since it uses less digits than its factorization.

5616121296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32920 (or 32914 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 5616121296 is about 74940.7852641003. The cubic root of 5616121296 is about 1777.5104379225.

The spelling of 5616121296 in words is "five billion, six hundred sixteen million, one hundred twenty-one thousand, two hundred ninety-six".