245061660 has 48 divisors (see below), whose sum is σ = 686905632. Its totient is φ = 65280000.

The previous prime is 245061659. The next prime is 245061667. The reversal of 245061660 is 66160542.

245061660 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 (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245061667) 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, 80160 + ... + 83160.

It is an arithmetic number, because the mean of its divisors is an integer number (14310534).

Almost surely, 2^245061660 is an apocalyptic number.

245061660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245061660 is an abundant number, since it is smaller than the sum of its proper divisors (441843972).

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

245061660 is a wasteful number, since it uses less digits than its factorization.

245061660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374 (or 4372 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 245061660 is about 15654.4453750364. The cubic root of 245061660 is about 625.7849635854.

The spelling of 245061660 in words is "two hundred forty-five million, sixty-one thousand, six hundred sixty".