1310166660 has 96 divisors (see below), whose sum is σ = 4212633600. Its totient is φ = 300896640.

The previous prime is 1310166653. The next prime is 1310166661. The reversal of 1310166660 is 666610131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1310166661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39700 + ... + 64779.

It is an arithmetic number, because the mean of its divisors is an integer number (43881600).

Almost surely, 2^1310166660 is an apocalyptic number.

1310166660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310166660 is an abundant number, since it is smaller than the sum of its proper divisors (2902466940).

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

1310166660 is a wasteful number, since it uses less digits than its factorization.

1310166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104521 (or 104519 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1310166660 is about 36196.2243887398. The cubic root of 1310166660 is about 1094.2305806009.

Adding to 1310166660 its reverse (666610131), we get a palindrome (1976776791).

The spelling of 1310166660 in words is "one billion, three hundred ten million, one hundred sixty-six thousand, six hundred sixty".