16464137 has 4 divisors (see below), whose sum is σ = 16487040. Its totient is φ = 16441236.

The previous prime is 16464073. The next prime is 16464157. The reversal of 16464137 is 73146461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73146461 = 17 ⋅4302733.

It is a cyclic number.

It is not a de Polignac number, because 16464137 - 2⁶ = 16464073 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 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, 10337 + ... + 11822.

It is an arithmetic number, because the mean of its divisors is an integer number (4121760).

Almost surely, 2^16464137 is an apocalyptic number.

It is an amenable number.

16464137 is a deficient number, since it is larger than the sum of its proper divisors (22903).

16464137 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 16464137 = (76634411)₈.

16464137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22902.

The product of its digits is 12096, while the sum is 32.

The square root of 16464137 is about 4057.6023708589. The cubic root of 16464137 is about 254.3975886224.

The spelling of 16464137 in words is "sixteen million, four hundred sixty-four thousand, one hundred thirty-seven".