2152571858 has 16 divisors (see below), whose sum is σ = 3450747744. Its totient is φ = 1003506240.

The previous prime is 2152571821. The next prime is 2152571887. The reversal of 2152571858 is 8581752512.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292208 + ... + 299483.

It is an arithmetic number, because the mean of its divisors is an integer number (215671734).

Almost surely, 2^2152571858 is an apocalyptic number.

2152571858 is a deficient number, since it is larger than the sum of its proper divisors (1298175886).

2152571858 is a wasteful number, since it uses less digits than its factorization.

2152571858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591817.

The product of its digits is 224000, while the sum is 44.

The square root of 2152571858 is about 46395.8172468165. The cubic root of 2152571858 is about 1291.1773115211.

The spelling of 2152571858 in words is "two billion, one hundred fifty-two million, five hundred seventy-one thousand, eight hundred fifty-eight".