161092041 has 16 divisors (see below), whose sum is σ = 235726848. Its totient is φ = 97043600.

The previous prime is 161092039. The next prime is 161092067. The reversal of 161092041 is 140290161.

It is a cyclic number.

It is not a de Polignac number, because 161092041 - 2¹ = 161092039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161092441) 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, 9105 + ... + 20126.

It is an arithmetic number, because the mean of its divisors is an integer number (14732928).

Almost surely, 2^161092041 is an apocalyptic number.

161092041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161092041 is a deficient number, since it is larger than the sum of its proper divisors (74634807).

161092041 is a wasteful number, since it uses less digits than its factorization.

161092041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29412.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 161092041 is about 12692.2039457298. The cubic root of 161092041 is about 544.1158303399.

The spelling of 161092041 in words is "one hundred sixty-one million, ninety-two thousand, forty-one".