1090161406 has 16 divisors (see below), whose sum is σ = 1730377728. Its totient is φ = 514036600.

The previous prime is 1090161367. The next prime is 1090161427. The reversal of 1090161406 is 6041610901.

It is a super-2 number, since 2×1090161406² = 2376903782263793672, which contains 22 as substring.

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, 163630 + ... + 170161.

It is an arithmetic number, because the mean of its divisors is an integer number (108148608).

Almost surely, 2^1090161406 is an apocalyptic number.

1090161406 is a deficient number, since it is larger than the sum of its proper divisors (640216322).

1090161406 is a wasteful number, since it uses less digits than its factorization.

1090161406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333887.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1090161406 is about 33017.5923713405. The cubic root of 1090161406 is about 1029.1932621588.

The spelling of 1090161406 in words is "one billion, ninety million, one hundred sixty-one thousand, four hundred six".