1765145668 has 48 divisors (see below), whose sum is σ = 3754215360. Its totient is φ = 715075200.

The previous prime is 1765145663. The next prime is 1765145693. The reversal of 1765145668 is 8665415671.

It is not an unprimeable number, because it can be changed into a prime (1765145663) 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, 36618 + ... + 69793.

It is an arithmetic number, because the mean of its divisors is an integer number (78212820).

Almost surely, 2^1765145668 is an apocalyptic number.

It is an amenable number.

1765145668 is an abundant number, since it is smaller than the sum of its proper divisors (1989069692).

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

1765145668 is a wasteful number, since it uses less digits than its factorization.

1765145668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106468 (or 106466 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 1765145668 is about 42013.6366909602. The cubic root of 1765145668 is about 1208.5376473515.

The spelling of 1765145668 in words is "one billion, seven hundred sixty-five million, one hundred forty-five thousand, six hundred sixty-eight".