1768108656 has 40 divisors (see below), whose sum is σ = 4725121680. Its totient is φ = 569046016.

The previous prime is 1768108619. The next prime is 1768108663. The reversal of 1768108656 is 6568018671.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633705 + ... + 636488.

It is an arithmetic number, because the mean of its divisors is an integer number (118128042).

Almost surely, 2^1768108656 is an apocalyptic number.

1768108656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1768108656 is an abundant number, since it is smaller than the sum of its proper divisors (2957013024).

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

1768108656 is a wasteful number, since it uses less digits than its factorization.

1768108656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270233 (or 1270227 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 1768108656 is about 42048.8841231251. The cubic root of 1768108656 is about 1209.2134897376.

The spelling of 1768108656 in words is "one billion, seven hundred sixty-eight million, one hundred eight thousand, six hundred fifty-six".