161850748 has 12 divisors (see below), whose sum is σ = 287228592. Its totient is φ = 79785440.

The previous prime is 161850737. The next prime is 161850757. The reversal of 161850748 is 847058161.

It is a self number, because there is not a number n which added to its sum of digits gives 161850748.

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, 284665 + ... + 285232.

It is an arithmetic number, because the mean of its divisors is an integer number (23935716).

Almost surely, 2^161850748 is an apocalyptic number.

It is an amenable number.

161850748 is a deficient number, since it is larger than the sum of its proper divisors (125377844).

161850748 is a wasteful number, since it uses less digits than its factorization.

161850748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569972 (or 569970 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 161850748 is about 12722.0575379928. The cubic root of 161850748 is about 544.9687135198.

The spelling of 161850748 in words is "one hundred sixty-one million, eight hundred fifty thousand, seven hundred forty-eight".