1654048866 has 16 divisors (see below), whose sum is σ = 3330007488. Its totient is φ = 547698000.

The previous prime is 1654048859. The next prime is 1654048867. The reversal of 1654048866 is 6688404561.

It is a super-2 number, since 2×1654048866² = 5471755302231771912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1654048867) 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 7 ways as a sum of consecutive naturals, for example, 911925 + ... + 913736.

It is an arithmetic number, because the mean of its divisors is an integer number (208125468).

Almost surely, 2^1654048866 is an apocalyptic number.

1654048866 is an abundant number, since it is smaller than the sum of its proper divisors (1675958622).

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

1654048866 is a wasteful number, since it uses less digits than its factorization.

1654048866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825817.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 1654048866 is about 40669.9995820015. Note that the first 3 decimals coincide. The cubic root of 1654048866 is about 1182.6315076773.

The spelling of 1654048866 in words is "one billion, six hundred fifty-four million, forty-eight thousand, eight hundred sixty-six".