1290166830 has 48 divisors (see below), whose sum is σ = 3500284320. Its totient is φ = 329085504.

The previous prime is 1290166789. The next prime is 1290166831. The reversal of 1290166830 is 386610921.

It is a super-3 number, since 3×1290166830³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309565 + ... + 313704.

It is an arithmetic number, because the mean of its divisors is an integer number (72922590).

Almost surely, 2^1290166830 is an apocalyptic number.

1290166830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1290166830 is an abundant number, since it is smaller than the sum of its proper divisors (2210117490).

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

1290166830 is a wasteful number, since it uses less digits than its factorization.

1290166830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623305 (or 623302 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1290166830 is about 35918.8923827002. The cubic root of 1290166830 is about 1088.6341588224.

The spelling of 1290166830 in words is "one billion, two hundred ninety million, one hundred sixty-six thousand, eight hundred thirty".