660560030 has 16 divisors (see below), whose sum is σ = 1280470464. Its totient is φ = 243899040.

The previous prime is 660560029. The next prime is 660560077. The reversal of 660560030 is 30065066.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2540486 + ... + 2540745.

It is an arithmetic number, because the mean of its divisors is an integer number (80029404).

Almost surely, 2^660560030 is an apocalyptic number.

660560030 is a deficient number, since it is larger than the sum of its proper divisors (619910434).

660560030 is a wasteful number, since it uses less digits than its factorization.

660560030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081251.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 660560030 is about 25701.3624152495. The cubic root of 660560030 is about 870.9049596135.

The spelling of 660560030 in words is "six hundred sixty million, five hundred sixty thousand, thirty".