161456306 has 16 divisors (see below), whose sum is σ = 266928480. Its totient is φ = 72631680.

The previous prime is 161456303. The next prime is 161456341. The reversal of 161456306 is 603654161.

161456306 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161456303) 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, 35696 + ... + 39963.

It is an arithmetic number, because the mean of its divisors is an integer number (16683030).

Almost surely, 2^161456306 is an apocalyptic number.

161456306 is a deficient number, since it is larger than the sum of its proper divisors (105472174).

161456306 is a wasteful number, since it uses less digits than its factorization.

161456306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75769.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 161456306 is about 12706.5457934090. The cubic root of 161456306 is about 544.5256439800.

The spelling of 161456306 in words is "one hundred sixty-one million, four hundred fifty-six thousand, three hundred six".