2161752000 has 112 divisors (see below), whose sum is σ = 7138184352. Its totient is φ = 576460800.

The previous prime is 2161751989. The next prime is 2161752007. The reversal of 2161752000 is 2571612.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161752007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21037 + ... + 69036.

Almost surely, 2^2161752000 is an apocalyptic number.

2161752000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2161752000 is an abundant number, since it is smaller than the sum of its proper divisors (4976432352).

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

2161752000 is an equidigital number, since it uses as much as digits as its factorization.

2161752000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90103 (or 90083 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2161752000 is about 46494.6448529290. The cubic root of 2161752000 is about 1293.0102167511.

The spelling of 2161752000 in words is "two billion, one hundred sixty-one million, seven hundred fifty-two thousand".