1296166760 has 32 divisors (see below), whose sum is σ = 3333000960. Its totient is φ = 444399936.

The previous prime is 1296166747. The next prime is 1296166763. The reversal of 1296166760 is 676616921.

It is a happy number.

It is a super-3 number, since 3×1296166760³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1296166763) 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, 2314304 + ... + 2314863.

It is an arithmetic number, because the mean of its divisors is an integer number (104156280).

Almost surely, 2^1296166760 is an apocalyptic number.

1296166760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1296166760 is an abundant number, since it is smaller than the sum of its proper divisors (2036834200).

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

1296166760 is a wasteful number, since it uses less digits than its factorization.

1296166760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629185 (or 4629181 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1296166760 is about 36002.3160366108. The cubic root of 1296166760 is about 1090.3191165070.

The spelling of 1296166760 in words is "one billion, two hundred ninety-six million, one hundred sixty-six thousand, seven hundred sixty".