5526161840 has 80 divisors (see below), whose sum is σ = 13161657600. Its totient is φ = 2157110016.

The previous prime is 5526161807. The next prime is 5526161857. The reversal of 5526161840 is 481616255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 5526161794 and 5526161803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651869 + ... + 660291.

It is an arithmetic number, because the mean of its divisors is an integer number (164520720).

Almost surely, 2^5526161840 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 5526161840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6580828800).

5526161840 is an abundant number, since it is smaller than the sum of its proper divisors (7635495760).

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

5526161840 is a wasteful number, since it uses less digits than its factorization.

5526161840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634 (or 8628 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 5526161840 is about 74338.1587073557. The cubic root of 5526161840 is about 1767.9685419217.

The spelling of 5526161840 in words is "five billion, five hundred twenty-six million, one hundred sixty-one thousand, eight hundred forty".