161153546 has 16 divisors (see below), whose sum is σ = 245488320. Its totient is φ = 79332000.

The previous prime is 161153533. The next prime is 161153581. The reversal of 161153546 is 645351161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42875 + ... + 46481.

It is an arithmetic number, because the mean of its divisors is an integer number (15343020).

Almost surely, 2^161153546 is an apocalyptic number.

161153546 is a deficient number, since it is larger than the sum of its proper divisors (84334774).

161153546 is a wasteful number, since it uses less digits than its factorization.

161153546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its digits is 10800, while the sum is 32.

The square root of 161153546 is about 12694.6266585512. The cubic root of 161153546 is about 544.1850694030.

The spelling of 161153546 in words is "one hundred sixty-one million, one hundred fifty-three thousand, five hundred forty-six".