161392107 has 8 divisors (see below), whose sum is σ = 222131200. Its totient is φ = 104123880.

The previous prime is 161392097. The next prime is 161392139. The reversal of 161392107 is 701293161.

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

It is not a de Polignac number, because 161392107 - 2¹¹ = 161390059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161392507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867607 + ... + 867792.

It is an arithmetic number, because the mean of its divisors is an integer number (27766400).

Almost surely, 2^161392107 is an apocalyptic number.

161392107 is a deficient number, since it is larger than the sum of its proper divisors (60739093).

161392107 is a wasteful number, since it uses less digits than its factorization.

161392107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735433.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 161392107 is about 12704.0193246075. The cubic root of 161392107 is about 544.4534621472.

The spelling of 161392107 in words is "one hundred sixty-one million, three hundred ninety-two thousand, one hundred seven".