1768469664 has 96 divisors (see below), whose sum is σ = 5028839424. Its totient is φ = 540933120.

The previous prime is 1768469663. The next prime is 1768469699. The reversal of 1768469664 is 4669648671.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1768469663) 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, 211809 + ... + 219999.

It is an arithmetic number, because the mean of its divisors is an integer number (52383744).

Almost surely, 2^1768469664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1768469664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2514419712).

1768469664 is an abundant number, since it is smaller than the sum of its proper divisors (3260369760).

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

1768469664 is a wasteful number, since it uses less digits than its factorization.

1768469664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390 (or 8382 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The square root of 1768469664 is about 42053.1766219866. The cubic root of 1768469664 is about 1209.2957821983.

The spelling of 1768469664 in words is "one billion, seven hundred sixty-eight million, four hundred sixty-nine thousand, six hundred sixty-four".