16465144 has 8 divisors (see below), whose sum is σ = 30872160. Its totient is φ = 8232568.

The previous prime is 16465093. The next prime is 16465151. The reversal of 16465144 is 44156461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16465144² = 542201933881472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1029064 + ... + 1029079.

It is an arithmetic number, because the mean of its divisors is an integer number (3859020).

Almost surely, 2^16465144 is an apocalyptic number.

It is an amenable number.

16465144 is a deficient number, since it is larger than the sum of its proper divisors (14407016).

16465144 is a wasteful number, since it uses less digits than its factorization.

16465144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058149 (or 2058145 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 16465144 is about 4057.7264570200. The cubic root of 16465144 is about 254.4027751105.

The spelling of 16465144 in words is "sixteen million, four hundred sixty-five thousand, one hundred forty-four".