1796155128 has 192 divisors, whose sum is σ = 5469444000. Its totient is φ = 544250880.

The previous prime is 1796155103. The next prime is 1796155171. The reversal of 1796155128 is 8215516971.

1796155128 is a `hidden beast` number, since 1 + 7 + 9 + 615 + 5 + 1 + 28 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3528538 + ... + 3529046.

Almost surely, 2^1796155128 is an apocalyptic number.

1796155128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1796155128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2734722000).

1796155128 is an abundant number, since it is smaller than the sum of its proper divisors (3673288872).

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

1796155128 is a wasteful number, since it uses less digits than its factorization.

1796155128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 562 counting only the distinct ones).

The product of its digits is 151200, while the sum is 45.

The square root of 1796155128 is about 42381.0703970534. The cubic root of 1796155128 is about 1215.5736599082.

The spelling of 1796155128 in words is "one billion, seven hundred ninety-six million, one hundred fifty-five thousand, one hundred twenty-eight".