161297034 has 32 divisors (see below), whose sum is σ = 331321536. Its totient is φ = 52318080.

The previous prime is 161297033. The next prime is 161297041. The reversal of 161297034 is 430792161.

161297034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161296986 and 161297004.

It is not an unprimeable number, because it can be changed into a prime (161297033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143844 + ... + 144960.

It is an arithmetic number, because the mean of its divisors is an integer number (10353798).

Almost surely, 2^161297034 is an apocalyptic number.

161297034 is an abundant number, since it is smaller than the sum of its proper divisors (170024502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161297034 is a wasteful number, since it uses less digits than its factorization.

161297034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 161297034 is about 12700.2769261146. The cubic root of 161297034 is about 544.3465321111.

The spelling of 161297034 in words is "one hundred sixty-one million, two hundred ninety-seven thousand, thirty-four".