161034430 has 16 divisors (see below), whose sum is σ = 290278080. Its totient is φ = 64321312.

The previous prime is 161034409. The next prime is 161034437. The reversal of 161034430 is 34430161.

161034430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161034437) 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, 4009 + ... + 18388.

It is an arithmetic number, because the mean of its divisors is an integer number (18142380).

Almost surely, 2^161034430 is an apocalyptic number.

161034430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161034430 is a deficient number, since it is larger than the sum of its proper divisors (129243650).

161034430 is a wasteful number, since it uses less digits than its factorization.

161034430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23123.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 161034430 is about 12689.9341999870. The cubic root of 161034430 is about 544.0509589482.

Adding to 161034430 its reverse (34430161), we get a palindrome (195464591).

The spelling of 161034430 in words is "one hundred sixty-one million, thirty-four thousand, four hundred thirty".