161064546 has 16 divisors (see below), whose sum is σ = 325749600. Its totient is φ = 53084768.

The previous prime is 161064493. The next prime is 161064551. The reversal of 161064546 is 645460161.

It is a happy number.

It is a super-2 number, since 2×161064546² = 51883575956372232, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 150276 + ... + 151343.

It is an arithmetic number, because the mean of its divisors is an integer number (20359350).

Almost surely, 2^161064546 is an apocalyptic number.

161064546 is an abundant number, since it is smaller than the sum of its proper divisors (164685054).

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

161064546 is a wasteful number, since it uses less digits than its factorization.

161064546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301713.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 161064546 is about 12691.1207542912. The cubic root of 161064546 is about 544.0848722287.

The spelling of 161064546 in words is "one hundred sixty-one million, sixty-four thousand, five hundred forty-six".