660230049 has 4 divisors (see below), whose sum is σ = 880306736. Its totient is φ = 440153364.

The previous prime is 660230047. The next prime is 660230083. The reversal of 660230049 is 940032066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 660230049 - 2¹ = 660230047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660229998 and 660230025.

It is not an unprimeable number, because it can be changed into a prime (660230047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110038339 + ... + 110038344.

It is an arithmetic number, because the mean of its divisors is an integer number (220076684).

Almost surely, 2^660230049 is an apocalyptic number.

It is an amenable number.

660230049 is a deficient number, since it is larger than the sum of its proper divisors (220076687).

660230049 is a wasteful number, since it uses less digits than its factorization.

660230049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220076686.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 660230049 is about 25694.9420898355. The cubic root of 660230049 is about 870.7599160427.

The spelling of 660230049 in words is "six hundred sixty million, two hundred thirty thousand, forty-nine".