161894095 has 16 divisors (see below), whose sum is σ = 219244320. Its totient is φ = 113680000.

The previous prime is 161894093. The next prime is 161894101. The reversal of 161894095 is 590498161.

It is not a de Polignac number, because 161894095 - 2¹ = 161894093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161894093) 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, 49156 + ... + 52345.

It is an arithmetic number, because the mean of its divisors is an integer number (13702770).

Almost surely, 2^161894095 is an apocalyptic number.

161894095 is a deficient number, since it is larger than the sum of its proper divisors (57350225).

161894095 is a wasteful number, since it uses less digits than its factorization.

161894095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101546.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 161894095 is about 12723.7610398813. The cubic root of 161894095 is about 545.0173604997.

The spelling of 161894095 in words is "one hundred sixty-one million, eight hundred ninety-four thousand, ninety-five".