1290166832 has 20 divisors (see below), whose sum is σ = 2504683440. Its totient is φ = 643796928.

The previous prime is 1290166831. The next prime is 1290166841. The reversal of 1290166832 is 2386610921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1290166831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72107 + ... + 88202.

It is an arithmetic number, because the mean of its divisors is an integer number (125234172).

Almost surely, 2^1290166832 is an apocalyptic number.

It is an amenable number.

1290166832 is a deficient number, since it is larger than the sum of its proper divisors (1214516608).

1290166832 is a wasteful number, since it uses less digits than its factorization.

1290166832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160820 (or 160814 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1290166832 is about 35918.8924105407. The cubic root of 1290166832 is about 1088.6341593849.

The spelling of 1290166832 in words is "one billion, two hundred ninety million, one hundred sixty-six thousand, eight hundred thirty-two".