1661096446 has 8 divisors (see below), whose sum is σ = 2492170200. Its totient is φ = 830373048.

The previous prime is 1661096387. The next prime is 1661096471. The reversal of 1661096446 is 6446901661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75396 + ... + 94903.

It is an arithmetic number, because the mean of its divisors is an integer number (311521275).

Almost surely, 2^1661096446 is an apocalyptic number.

1661096446 is a deficient number, since it is larger than the sum of its proper divisors (831073754).

1661096446 is a wasteful number, since it uses less digits than its factorization.

1661096446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175178.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1661096446 is about 40756.5509580975. The cubic root of 1661096446 is about 1184.3087819055.

The spelling of 1661096446 in words is "one billion, six hundred sixty-one million, ninety-six thousand, four hundred forty-six".