161385795 has 48 divisors (see below), whose sum is σ = 287494272. Its totient is φ = 83715840.

The previous prime is 161385761. The next prime is 161385797. The reversal of 161385795 is 597583161.

It is a happy number.

161385795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161385795 - 2¹⁰ = 161384771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 161385795.

It is not an unprimeable number, because it can be changed into a prime (161385797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374230 + ... + 374660.

It is an arithmetic number, because the mean of its divisors is an integer number (5989464).

Almost surely, 2^161385795 is an apocalyptic number.

161385795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161385795 is a deficient number, since it is larger than the sum of its proper divisors (126108477).

161385795 is a wasteful number, since it uses less digits than its factorization.

161385795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 649 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 161385795 is about 12703.7708968637. The cubic root of 161385795 is about 544.4463642473.

The spelling of 161385795 in words is "one hundred sixty-one million, three hundred eighty-five thousand, seven hundred ninety-five".