16161546 has 8 divisors (see below), whose sum is σ = 32323104. Its totient is φ = 5387180.

The previous prime is 16161529. The next prime is 16161547. The reversal of 16161546 is 64516161.

It is a sphenic number, since it is the product of 3 distinct primes.

16161546 is an admirable number.

It is a super-2 number, since 2×16161546² = 522391138220232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16161547) 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 3 ways as a sum of consecutive naturals, for example, 1346790 + ... + 1346801.

It is an arithmetic number, because the mean of its divisors is an integer number (4040388).

Almost surely, 2^16161546 is an apocalyptic number.

16161546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16161546 is a wasteful number, since it uses less digits than its factorization.

16161546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693596.

The product of its digits is 4320, while the sum is 30.

The square root of 16161546 is about 4020.1425347865. The cubic root of 16161546 is about 252.8294350473.

The spelling of 16161546 in words is "sixteen million, one hundred sixty-one thousand, five hundred forty-six".