161160501 has 4 divisors (see below), whose sum is σ = 214880672. Its totient is φ = 107440332.

The previous prime is 161160491. The next prime is 161160541. The reversal of 161160501 is 105061161.

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 not a de Polignac number, because 161160501 - 2⁵ = 161160469 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 (161160541) 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, 26860081 + ... + 26860086.

It is an arithmetic number, because the mean of its divisors is an integer number (53720168).

Almost surely, 2^161160501 is an apocalyptic number.

It is an amenable number.

161160501 is a deficient number, since it is larger than the sum of its proper divisors (53720171).

161160501 is an equidigital number, since it uses as much as digits as its factorization.

161160501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53720170.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 161160501 is about 12694.9005903946. The cubic root of 161160501 is about 544.1928978639.

The spelling of 161160501 in words is "one hundred sixty-one million, one hundred sixty thousand, five hundred one".