5212661064 has 64 divisors (see below), whose sum is σ = 14080059840. Its totient is φ = 1598641920.

The previous prime is 5212661021. The next prime is 5212661081. The reversal of 5212661064 is 4601662125.

It is a super-2 number, since 2×5212661064² = 54343670736283224192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68574 + ... + 122994.

It is an arithmetic number, because the mean of its divisors is an integer number (220000935).

Almost surely, 2^5212661064 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 5212661064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7040029920).

5212661064 is an abundant number, since it is smaller than the sum of its proper divisors (8867398776).

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

5212661064 is a wasteful number, since it uses less digits than its factorization.

5212661064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54750 (or 54746 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 5212661064 is about 72198.7608203908. The cubic root of 5212661064 is about 1733.8831618959.

The spelling of 5212661064 in words is "five billion, two hundred twelve million, six hundred sixty-one thousand, sixty-four".