245107668 has 48 divisors (see below), whose sum is σ = 617795136. Its totient is φ = 75187200.

The previous prime is 245107661. The next prime is 245107673. The reversal of 245107668 is 866701542.

245107668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245107661) 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, 52843 + ... + 57293.

It is an arithmetic number, because the mean of its divisors is an integer number (12870732).

Almost surely, 2^245107668 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 245107668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308897568).

245107668 is an abundant number, since it is smaller than the sum of its proper divisors (372687468).

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

245107668 is a wasteful number, since it uses less digits than its factorization.

245107668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824 (or 4822 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 245107668 is about 15655.9147928187. The cubic root of 245107668 is about 625.8241228634.

The spelling of 245107668 in words is "two hundred forty-five million, one hundred seven thousand, six hundred sixty-eight".