161156035 has 8 divisors (see below), whose sum is σ = 198104256. Its totient is φ = 125780160.

The previous prime is 161156033. The next prime is 161156057. The reversal of 161156035 is 530651161.

161156035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161156035 - 2¹ = 161156033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161155994 and 161156012.

It is not an unprimeable number, because it can be changed into a prime (161156033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392859 + ... + 393268.

It is an arithmetic number, because the mean of its divisors is an integer number (24763032).

Almost surely, 2^161156035 is an apocalyptic number.

161156035 is a deficient number, since it is larger than the sum of its proper divisors (36948221).

161156035 is an equidigital number, since it uses as much as digits as its factorization.

161156035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786173.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 161156035 is about 12694.7246917765. The cubic root of 161156035 is about 544.1878710161.

The spelling of 161156035 in words is "one hundred sixty-one million, one hundred fifty-six thousand, thirty-five".