2031766146 has 32 divisors (see below), whose sum is σ = 4531852800. Its totient is φ = 674732880.

The previous prime is 2031766141. The next prime is 2031766147. The reversal of 2031766146 is 6416671302.

It is a happy number.

2031766146 is a `hidden beast` number, since 2 + 0 + 31 + 7 + 6 + 614 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2031766146.

It is not an unprimeable number, because it can be changed into a prime (2031766141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55410 + ... + 84461.

It is an arithmetic number, because the mean of its divisors is an integer number (141620400).

Almost surely, 2^2031766146 is an apocalyptic number.

2031766146 is an abundant number, since it is smaller than the sum of its proper divisors (2500086654).

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

2031766146 is a wasteful number, since it uses less digits than its factorization.

2031766146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140151 (or 140145 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2031766146 is about 45075.1167053398. The cubic root of 2031766146 is about 1266.5565150596.

The spelling of 2031766146 in words is "two billion, thirty-one million, seven hundred sixty-six thousand, one hundred forty-six".