161107793 has 16 divisors (see below), whose sum is σ = 212678784. Its totient is φ = 118152960.

The previous prime is 161107769. The next prime is 161107841. The reversal of 161107793 is 397701161.

161107793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 161107793 - 2²² = 156913489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161107703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60230 + ... + 62847.

It is an arithmetic number, because the mean of its divisors is an integer number (13292424).

Almost surely, 2^161107793 is an apocalyptic number.

It is an amenable number.

161107793 is a deficient number, since it is larger than the sum of its proper divisors (51570991).

161107793 is a wasteful number, since it uses less digits than its factorization.

161107793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123112.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 161107793 is about 12692.8244689667. The cubic root of 161107793 is about 544.1335647837.

The spelling of 161107793 in words is "one hundred sixty-one million, one hundred seven thousand, seven hundred ninety-three".