1232666660 has 24 divisors (see below), whose sum is σ = 2605094520. Its totient is φ = 489924864.

The previous prime is 1232666597. The next prime is 1232666777. The reversal of 1232666660 is 666662321.

It can be written as a sum of positive squares in 4 ways, for example, as 58644964 + 1174021696 = 7658^2 + 34264^2 .

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, 193145 + ... + 199424.

It is an arithmetic number, because the mean of its divisors is an integer number (108545605).

Almost surely, 2^1232666660 is an apocalyptic number.

1232666660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232666660 is an abundant number, since it is smaller than the sum of its proper divisors (1372427860).

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

1232666660 is a wasteful number, since it uses less digits than its factorization.

1232666660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392735 (or 392733 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 1232666660 is about 35109.3528849508. The cubic root of 1232666660 is about 1072.2150114964.

The spelling of 1232666660 in words is "one billion, two hundred thirty-two million, six hundred sixty-six thousand, six hundred sixty".