161429183 has 8 divisors (see below), whose sum is σ = 166953600. Its totient is φ = 155924640.

The previous prime is 161429173. The next prime is 161429237. The reversal of 161429183 is 381924161.

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

It is a cyclic number.

It is not a de Polignac number, because 161429183 - 2¹² = 161425087 is a prime.

It is a super-2 number, since 2×161429183² = 52118762248094978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161429173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12593 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (20869200).

Almost surely, 2^161429183 is an apocalyptic number.

161429183 is a deficient number, since it is larger than the sum of its proper divisors (5524417).

161429183 is an equidigital number, since it uses as much as digits as its factorization.

161429183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937.

The product of its digits is 10368, while the sum is 35.

The square root of 161429183 is about 12705.4784640327. The cubic root of 161429183 is about 544.4951507018.

The spelling of 161429183 in words is "one hundred sixty-one million, four hundred twenty-nine thousand, one hundred eighty-three".