16754647920 has 80 divisors (see below), whose sum is σ = 53730444960. Its totient is φ = 4313838592.

The previous prime is 16754647907. The next prime is 16754647927. The reversal of 16754647920 is 2974645761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16754647927) 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 15 ways as a sum of consecutive naturals, for example, 1196679 + ... + 1210598.

It is an arithmetic number, because the mean of its divisors is an integer number (671630562).

Almost surely, 2^16754647920 is an apocalyptic number.

16754647920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16754647920 is an abundant number, since it is smaller than the sum of its proper divisors (36975797040).

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

16754647920 is a wasteful number, since it uses less digits than its factorization.

16754647920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407322 (or 2407316 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 16754647920 in words is "sixteen billion, seven hundred fifty-four million, six hundred forty-seven thousand, nine hundred twenty".