768163608 has 64 divisors (see below), whose sum is σ = 2138428800. Its totient is φ = 255497760.

The previous prime is 768163603. The next prime is 768163621. The reversal of 768163608 is 806361867.

768163608 is a `hidden beast` number, since 7 + 6 + 8 + 1 + 636 + 0 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768163603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102435 + ... + 109677.

It is an arithmetic number, because the mean of its divisors is an integer number (33412950).

Almost surely, 2^768163608 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 768163608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069214400).

768163608 is an abundant number, since it is smaller than the sum of its proper divisors (1370265192).

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

768163608 is a wasteful number, since it uses less digits than its factorization.

768163608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749 (or 7739 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 768163608 is about 27715.7646114986. The cubic root of 768163608 is about 915.8364187337.

It can be divided in two parts, 7681 and 63608, that added together give a square (71289 = 267²).

The spelling of 768163608 in words is "seven hundred sixty-eight million, one hundred sixty-three thousand, six hundred eight".