2152866000 has 80 divisors (see below), whose sum is σ = 6940859328. Its totient is φ = 574096000.

The previous prime is 2152865999. The next prime is 2152866013. The reversal of 2152866000 is 6682512.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173406 + ... + 185405.

Almost surely, 2^2152866000 is an apocalyptic number.

2152866000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152866000 is an abundant number, since it is smaller than the sum of its proper divisors (4787993328).

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

2152866000 is a wasteful number, since it uses less digits than its factorization.

2152866000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358837 (or 358821 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2152866000 is about 46398.9870579089. The cubic root of 2152866000 is about 1291.2361205805.

The spelling of 2152866000 in words is "two billion, one hundred fifty-two million, eight hundred sixty-six thousand".