611428158 has 24 divisors (see below), whose sum is σ = 1445194296. Its totient is φ = 185281200.

The previous prime is 611428099. The next prime is 611428241. The reversal of 611428158 is 851824116.

611428158 is a `hidden beast` number, since 611 + 4 + 28 + 15 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543813 + ... + 1544208.

It is an arithmetic number, because the mean of its divisors is an integer number (60216429).

Almost surely, 2^611428158 is an apocalyptic number.

611428158 is an abundant number, since it is smaller than the sum of its proper divisors (833766138).

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

611428158 is a wasteful number, since it uses less digits than its factorization.

611428158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088040 (or 3088037 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 611428158 is about 24727.0733812152. The cubic root of 611428158 is about 848.7539565133.

The spelling of 611428158 in words is "six hundred eleven million, four hundred twenty-eight thousand, one hundred fifty-eight".