161350089 has 16 divisors (see below), whose sum is σ = 216986112. Its totient is φ = 106645248.

The previous prime is 161350069. The next prime is 161350093. The reversal of 161350089 is 980053161.

It is not a de Polignac number, because 161350089 - 2⁸ = 161349833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161350019) 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, 289399 + ... + 289955.

It is an arithmetic number, because the mean of its divisors is an integer number (13561632).

Almost surely, 2^161350089 is an apocalyptic number.

It is an amenable number.

161350089 is a deficient number, since it is larger than the sum of its proper divisors (55636023).

161350089 is a wasteful number, since it uses less digits than its factorization.

161350089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 161350089 is about 12702.3654883648. The cubic root of 161350089 is about 544.4062090492.

The spelling of 161350089 in words is "one hundred sixty-one million, three hundred fifty thousand, eighty-nine".