5211605616 has 80 divisors (see below), whose sum is σ = 15603429888. Its totient is φ = 1468051200.

The previous prime is 5211605603. The next prime is 5211605617. The reversal of 5211605616 is 6165061125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211605617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85375 + ... + 133086.

Almost surely, 2^5211605616 is an apocalyptic number.

5211605616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5211605616 is an abundant number, since it is smaller than the sum of its proper divisors (10391824272).

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

5211605616 is a wasteful number, since it uses less digits than its factorization.

5211605616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218550 (or 218544 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 5211605616 is about 72191.4511282326. The cubic root of 5211605616 is about 1733.7661297301.

The spelling of 5211605616 in words is "five billion, two hundred eleven million, six hundred five thousand, six hundred sixteen".