161072035 has 8 divisors (see below), whose sum is σ = 196933680. Its totient is φ = 126426144.

The previous prime is 161072033. The next prime is 161072039. The reversal of 161072035 is 530270161.

161072035 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 a cyclic number.

It is not a de Polignac number, because 161072035 - 2¹ = 161072033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161072033) 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, 303645 + ... + 304174.

It is an arithmetic number, because the mean of its divisors is an integer number (24616710).

Almost surely, 2^161072035 is an apocalyptic number.

161072035 is a deficient number, since it is larger than the sum of its proper divisors (35861645).

161072035 is an equidigital number, since it uses as much as digits as its factorization.

161072035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607877.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 161072035 is about 12691.4157996655. The cubic root of 161072035 is about 544.0933048489.

The spelling of 161072035 in words is "one hundred sixty-one million, seventy-two thousand, thirty-five".