1089857662 has 16 divisors (see below), whose sum is σ = 1654081632. Its totient is φ = 538513920.

The previous prime is 1089857627. The next prime is 1089857677. The reversal of 1089857662 is 2667589801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140362 + ... + 147922.

It is an arithmetic number, because the mean of its divisors is an integer number (103380102).

Almost surely, 2^1089857662 is an apocalyptic number.

1089857662 is a deficient number, since it is larger than the sum of its proper divisors (564223970).

1089857662 is an equidigital number, since it uses as much as digits as its factorization.

1089857662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 1089857662 is about 33012.9923212059. The cubic root of 1089857662 is about 1029.0976676549.

The spelling of 1089857662 in words is "one billion, eighty-nine million, eight hundred fifty-seven thousand, six hundred sixty-two".