161485826 has 8 divisors (see below), whose sum is σ = 254977680. Its totient is φ = 76493268.

The previous prime is 161485813. The next prime is 161485861. The reversal of 161485826 is 628584161.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124776 + ... + 2124851.

It is an arithmetic number, because the mean of its divisors is an integer number (31872210).

Almost surely, 2^161485826 is an apocalyptic number.

161485826 is a deficient number, since it is larger than the sum of its proper divisors (93491854).

161485826 is a wasteful number, since it uses less digits than its factorization.

161485826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249648.

The product of its digits is 92160, while the sum is 41.

The square root of 161485826 is about 12707.7073463312. The cubic root of 161485826 is about 544.5588282262.

The spelling of 161485826 in words is "one hundred sixty-one million, four hundred eighty-five thousand, eight hundred twenty-six".