1864359164 has 24 divisors (see below), whose sum is σ = 3334994208. Its totient is φ = 911618240.

The previous prime is 1864359131. The next prime is 1864359169. The reversal of 1864359164 is 4619534681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864359169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51794 + ... + 80070.

It is an arithmetic number, because the mean of its divisors is an integer number (138958092).

Almost surely, 2^1864359164 is an apocalyptic number.

It is an amenable number.

1864359164 is a deficient number, since it is larger than the sum of its proper divisors (1470635044).

1864359164 is a wasteful number, since it uses less digits than its factorization.

1864359164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28645 (or 28643 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 1864359164 is about 43178.2255772513. The cubic root of 1864359164 is about 1230.7689386325.

The spelling of 1864359164 in words is "one billion, eight hundred sixty-four million, three hundred fifty-nine thousand, one hundred sixty-four".