16164489680 has 40 divisors (see below), whose sum is σ = 38143383072. Its totient is φ = 6369289344.

The previous prime is 16164489673. The next prime is 16164489683. The reversal of 16164489680 is 8698446161.

16164489680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×16164489680² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164489683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502522 + ... + 1513241.

Almost surely, 2^16164489680 is an apocalyptic number.

16164489680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16164489680 is an abundant number, since it is smaller than the sum of its proper divisors (21978893392).

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

16164489680 is a wasteful number, since it uses less digits than its factorization.

16164489680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015843 (or 3015837 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 16164489680 in words is "sixteen billion, one hundred sixty-four million, four hundred eighty-nine thousand, six hundred eighty".