7916423544 has 160 divisors (see below), whose sum is σ = 23224972320. Its totient is φ = 2514530304.

The previous prime is 7916423497. The next prime is 7916423563. The reversal of 7916423544 is 4453246197.

7916423544 is a `hidden beast` number, since 79 + 16 + 4 + 23 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7916423544.

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 39 ways as a sum of consecutive naturals, for example, 4664104 + ... + 4665800.

It is an arithmetic number, because the mean of its divisors is an integer number (145156077).

Almost surely, 2^7916423544 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 7916423544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11612486160).

7916423544 is an abundant number, since it is smaller than the sum of its proper divisors (15308548776).

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

7916423544 is a wasteful number, since it uses less digits than its factorization.

7916423544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2038 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 7916423544 is about 88974.2858583310. The cubic root of 7916423544 is about 1993.0109000241.

The spelling of 7916423544 in words is "seven billion, nine hundred sixteen million, four hundred twenty-three thousand, five hundred forty-four".