5425871616 has 144 divisors (see below), whose sum is σ = 17504161920. Its totient is φ = 1644180480.

The previous prime is 5425871587. The next prime is 5425871641. The reversal of 5425871616 is 6161785245.

5425871616 is a `hidden beast` number, since 5 + 4 + 2 + 587 + 1 + 61 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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, 40351 + ... + 111713.

It is an arithmetic number, because the mean of its divisors is an integer number (121556680).

Almost surely, 2^5425871616 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 5425871616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8752080960).

5425871616 is an abundant number, since it is smaller than the sum of its proper divisors (12078290304).

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

5425871616 is a wasteful number, since it uses less digits than its factorization.

5425871616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71399 (or 71379 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5425871616 is about 73660.5159905902. The cubic root of 5425871616 is about 1757.2079974491.

The spelling of 5425871616 in words is "five billion, four hundred twenty-five million, eight hundred seventy-one thousand, six hundred sixteen".