161030127 has 16 divisors (see below), whose sum is σ = 222444000. Its totient is φ = 103496064.

The previous prime is 161030101. The next prime is 161030173. The reversal of 161030127 is 721030161.

It is not a de Polignac number, because 161030127 - 2⁶ = 161030063 is a prime.

It is a super-2 number, since 2×161030127² = 51861403603272258, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161030197) 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, 95649 + ... + 97317.

It is an arithmetic number, because the mean of its divisors is an integer number (13902750).

Almost surely, 2^161030127 is an apocalyptic number.

161030127 is a deficient number, since it is larger than the sum of its proper divisors (61413873).

161030127 is a wasteful number, since it uses less digits than its factorization.

161030127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 161030127 is about 12689.7646550281. The cubic root of 161030127 is about 544.0461130443.

Adding to 161030127 its reverse (721030161), we get a palindrome (882060288).

The spelling of 161030127 in words is "one hundred sixty-one million, thirty thousand, one hundred twenty-seven".