27666231010 has 16 divisors (see below), whose sum is σ = 54326417472. Its totient is φ = 10060447600.

The previous prime is 27666230989. The next prime is 27666231013. The reversal of 27666231010 is 1013266672.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27666231013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125755486 + ... + 125755705.

It is an arithmetic number, because the mean of its divisors is an integer number (3395401092).

Almost surely, 2^27666231010 is an apocalyptic number.

27666231010 is a deficient number, since it is larger than the sum of its proper divisors (26660186462).

27666231010 is a wasteful number, since it uses less digits than its factorization.

27666231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251511209.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 27666231010 its reverse (1013266672), we get a palindrome (28679497682).

The spelling of 27666231010 in words is "twenty-seven billion, six hundred sixty-six million, two hundred thirty-one thousand, ten".