161048029 has 4 divisors (see below), whose sum is σ = 164793376. Its totient is φ = 157302684.

The previous prime is 161048011. The next prime is 161048039. The reversal of 161048029 is 920840161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161048029 - 2²¹ = 158950877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161048039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872609 + ... + 1872694.

It is an arithmetic number, because the mean of its divisors is an integer number (41198344).

Almost surely, 2^161048029 is an apocalyptic number.

It is an amenable number.

161048029 is a deficient number, since it is larger than the sum of its proper divisors (3745347).

161048029 is an equidigital number, since it uses as much as digits as its factorization.

161048029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745346.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 161048029 is about 12690.4700070565. The cubic root of 161048029 is about 544.0662731489.

The spelling of 161048029 in words is "one hundred sixty-one million, forty-eight thousand, twenty-nine".