72158000858 has 16 divisors (see below), whose sum is σ = 110599582464. Its totient is φ = 35292302160.

The previous prime is 72158000851. The next prime is 72158000909. The reversal of 72158000858 is 85800085127.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72158000851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31310 + ... + 381177.

It is an arithmetic number, because the mean of its divisors is an integer number (6912473904).

Almost surely, 2^72158000858 is an apocalyptic number.

72158000858 is a deficient number, since it is larger than the sum of its proper divisors (38441581606).

72158000858 is a wasteful number, since it uses less digits than its factorization.

72158000858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414397.

The product of its (nonzero) digits is 179200, while the sum is 44.

The spelling of 72158000858 in words is "seventy-two billion, one hundred fifty-eight million, eight hundred fifty-eight", and thus it is an aban number.