2158265152 has 56 divisors (see below), whose sum is σ = 4384401696. Its totient is φ = 1053731328.

The previous prime is 2158265111. The next prime is 2158265189. The reversal of 2158265152 is 2515628512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768583 + ... + 771385.

Almost surely, 2^2158265152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158265152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192200848).

2158265152 is an abundant number, since it is smaller than the sum of its proper divisors (2226136544).

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

2158265152 is a wasteful number, since it uses less digits than its factorization.

2158265152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3085 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 2158265152 is about 46457.1324125801. The cubic root of 2158265152 is about 1292.3146457036.

The spelling of 2158265152 in words is "two billion, one hundred fifty-eight million, two hundred sixty-five thousand, one hundred fifty-two".