1964893164 has 24 divisors (see below), whose sum is σ = 4937424240. Its totient is φ = 604582464.

The previous prime is 1964893069. The next prime is 1964893171. The reversal of 1964893164 is 4613984691.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6297579 + ... + 6297890.

It is an arithmetic number, because the mean of its divisors is an integer number (205726010).

Almost surely, 2^1964893164 is an apocalyptic number.

It is an amenable number.

1964893164 is an abundant number, since it is smaller than the sum of its proper divisors (2972531076).

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

1964893164 is a wasteful number, since it uses less digits than its factorization.

1964893164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595489 (or 12595487 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 1964893164 is about 44327.1154486732. The cubic root of 1964893164 is about 1252.5055162087.

The spelling of 1964893164 in words is "one billion, nine hundred sixty-four million, eight hundred ninety-three thousand, one hundred sixty-four".