1058161720 has 64 divisors (see below), whose sum is σ = 2968358400. Its totient is φ = 329815680.

The previous prime is 1058161703. The next prime is 1058161723. The reversal of 1058161720 is 271618501.

It is a super-2 number, since 2×1058161720² = 2239412451346716800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058161723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168700 + ... + 174859.

It is an arithmetic number, because the mean of its divisors is an integer number (46380600).

Almost surely, 2^1058161720 is an apocalyptic number.

1058161720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1058161720 is an abundant number, since it is smaller than the sum of its proper divisors (1910196680).

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

1058161720 is a wasteful number, since it uses less digits than its factorization.

1058161720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343588 (or 343584 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1058161720 is about 32529.3977810841. The cubic root of 1058161720 is about 1019.0230682050.

The spelling of 1058161720 in words is "one billion, fifty-eight million, one hundred sixty-one thousand, seven hundred twenty".