612796158 has 128 divisors (see below), whose sum is σ = 1567641600. Its totient is φ = 175996800.

The previous prime is 612796087. The next prime is 612796159. The reversal of 612796158 is 851697216.

612796158 is a `hidden beast` number, since 6 + 1 + 27 + 9 + 615 + 8 = 666.

612796158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612796159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 630613 + ... + 631583.

It is an arithmetic number, because the mean of its divisors is an integer number (12247200).

Almost surely, 2^612796158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612796158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783820800).

612796158 is an abundant number, since it is smaller than the sum of its proper divisors (954845442).

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

612796158 is a wasteful number, since it uses less digits than its factorization.

612796158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 612796158 is about 24754.7199135842. The cubic root of 612796158 is about 849.3864813831.

The spelling of 612796158 in words is "six hundred twelve million, seven hundred ninety-six thousand, one hundred fifty-eight".