4156685792 has 48 divisors (see below), whose sum is σ = 9373063392. Its totient is φ = 1777528320.

The previous prime is 4156685777. The next prime is 4156685801. The reversal of 4156685792 is 2975866514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83138 + ... + 123390.

It is an arithmetic number, because the mean of its divisors is an integer number (195272154).

Almost surely, 2^4156685792 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 4156685792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4686531696).

4156685792 is an abundant number, since it is smaller than the sum of its proper divisors (5216377600).

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

4156685792 is a wasteful number, since it uses less digits than its factorization.

4156685792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40731 (or 40723 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The square root of 4156685792 is about 64472.3645603293. The cubic root of 4156685792 is about 1607.8630899168.

The spelling of 4156685792 in words is "four billion, one hundred fifty-six million, six hundred eighty-five thousand, seven hundred ninety-two".