16464623736 has 96 divisors (see below), whose sum is σ = 47391523200. Its totient is φ = 4726658880.

The previous prime is 16464623731. The next prime is 16464623737. The reversal of 16464623736 is 63732646461.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464623731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8925 + ... + 181683.

It is an arithmetic number, because the mean of its divisors is an integer number (493661700).

Almost surely, 2^16464623736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16464623736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23695761600).

16464623736 is an abundant number, since it is smaller than the sum of its proper divisors (30926899464).

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

16464623736 is a wasteful number, since it uses less digits than its factorization.

16464623736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172817 (or 172794 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 48.

The spelling of 16464623736 in words is "sixteen billion, four hundred sixty-four million, six hundred twenty-three thousand, seven hundred thirty-six".