16464155 has 8 divisors (see below), whose sum is σ = 19779984. Its totient is φ = 13156000.

The previous prime is 16464073. The next prime is 16464157. The reversal of 16464155 is 55146461.

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

It is not a de Polignac number, because 16464155 - 2¹⁶ = 16398619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16464157) 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, 5240 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (2472498).

Almost surely, 2^16464155 is an apocalyptic number.

16464155 is a deficient number, since it is larger than the sum of its proper divisors (3315829).

16464155 is a wasteful number, since it uses less digits than its factorization.

16464155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its digits is 14400, while the sum is 32.

The square root of 16464155 is about 4057.6045889170. The cubic root of 16464155 is about 254.3976813321.

The spelling of 16464155 in words is "sixteen million, four hundred sixty-four thousand, one hundred fifty-five".