2081545632 has 72 divisors (see below), whose sum is σ = 6176780064. Its totient is φ = 663679104.

The previous prime is 2081545619. The next prime is 2081545657. The reversal of 2081545632 is 2365451802.

2081545632 is a `hidden beast` number, since 2 + 0 + 8 + 15 + 4 + 5 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×2081545632³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150498 + ... + 163745.

It is an arithmetic number, because the mean of its divisors is an integer number (85788612).

Almost surely, 2^2081545632 is an apocalyptic number.

It is an amenable number.

2081545632 is an abundant number, since it is smaller than the sum of its proper divisors (4095234432).

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

2081545632 is a wasteful number, since it uses less digits than its factorization.

2081545632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314282 (or 314271 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2081545632 is about 45623.9589689453. The cubic root of 2081545632 is about 1276.8169674757.

The spelling of 2081545632 in words is "two billion, eighty-one million, five hundred forty-five thousand, six hundred thirty-two".