131010666 has 8 divisors (see below), whose sum is σ = 262021344. Its totient is φ = 43670220.

The previous prime is 131010641. The next prime is 131010709. The reversal of 131010666 is 666010131.

It is a sphenic number, since it is the product of 3 distinct primes.

131010666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10917550 + ... + 10917561.

It is an arithmetic number, because the mean of its divisors is an integer number (32752668).

Almost surely, 2^131010666 is an apocalyptic number.

131010666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131010666 is a wasteful number, since it uses less digits than its factorization.

131010666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21835116.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 131010666 is about 11445.9890791491. The cubic root of 131010666 is about 507.8890911492.

Adding to 131010666 its reverse (666010131), we get a palindrome (797020797).

The spelling of 131010666 in words is "one hundred thirty-one million, ten thousand, six hundred sixty-six".