161103650 has 24 divisors (see below), whose sum is σ = 300178704. Its totient is φ = 64328400.

The previous prime is 161103629. The next prime is 161103667. The reversal of 161103650 is 56301161.

It is a happy number.

161103650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29645 + ... + 34655.

It is an arithmetic number, because the mean of its divisors is an integer number (12507446).

Almost surely, 2^161103650 is an apocalyptic number.

161103650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161103650 is a deficient number, since it is larger than the sum of its proper divisors (139075054).

161103650 is a wasteful number, since it uses less digits than its factorization.

161103650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5661 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 161103650 is about 12692.6612654715. The cubic root of 161103650 is about 544.1289004848.

The spelling of 161103650 in words is "one hundred sixty-one million, one hundred three thousand, six hundred fifty".