6665254010 has 16 divisors (see below), whose sum is σ = 11998564776. Its totient is φ = 2665855488.

The previous prime is 6665254003. The next prime is 6665254031. The reversal of 6665254010 is 104525666.

It can be written as a sum of positive squares in 4 ways, for example, as 5541462481 + 1123791529 = 74441^2 + 33523^2 .

It is a super-2 number, since 2×6665254010² = 88851222035642160200, which contains 22 as substring.

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, 116582 + ... + 164078.

Almost surely, 2^6665254010 is an apocalyptic number.

6665254010 is a deficient number, since it is larger than the sum of its proper divisors (5333310766).

6665254010 is a wasteful number, since it uses less digits than its factorization.

6665254010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61537.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6665254010 is about 81641.0069144177. The cubic root of 6665254010 is about 1881.9391122893.

Adding to 6665254010 its reverse (104525666), we get a palindrome (6769779676).

The spelling of 6665254010 in words is "six billion, six hundred sixty-five million, two hundred fifty-four thousand, ten".