1920508671 has 16 divisors (see below), whose sum is σ = 2680116480. Its totient is φ = 1220957760.

The previous prime is 1920508669. The next prime is 1920508687. The reversal of 1920508671 is 1768050291.

It is not a de Polignac number, because 1920508671 - 2¹ = 1920508669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920508631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19206 + ... + 64883.

It is an arithmetic number, because the mean of its divisors is an integer number (167507280).

Almost surely, 2^1920508671 is an apocalyptic number.

1920508671 is a deficient number, since it is larger than the sum of its proper divisors (759607809).

1920508671 is a wasteful number, since it uses less digits than its factorization.

1920508671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84446.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1920508671 is about 43823.6086031262. The cubic root of 1920508671 is about 1243.0027537361.

The spelling of 1920508671 in words is "one billion, nine hundred twenty million, five hundred eight thousand, six hundred seventy-one".