6660150489 has 6 divisors (see below), whose sum is σ = 9620217386. Its totient is φ = 4440100320.

The previous prime is 6660150487. The next prime is 6660150499. The reversal of 6660150489 is 9840510666.

It can be written as a sum of positive squares in only one way, i.e., 5972662089 + 687488400 = 77283^2 + 26220^2 .

It is not a de Polignac number, because 6660150489 - 2¹ = 6660150487 is a prime.

It is a super-2 number, since 2×6660150489² = 88715209072253878242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6660150487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370008352 + ... + 370008369.

Almost surely, 2^6660150489 is an apocalyptic number.

It is an amenable number.

6660150489 is a deficient number, since it is larger than the sum of its proper divisors (2960066897).

6660150489 is a wasteful number, since it uses less digits than its factorization.

6660150489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740016727 (or 740016724 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6660150489 is about 81609.7450614815. The cubic root of 6660150489 is about 1881.4586620734.

The spelling of 6660150489 in words is "six billion, six hundred sixty million, one hundred fifty thousand, four hundred eighty-nine".