16795537920 has 1440 divisors, whose sum is σ = 76410734400. Its totient is φ = 3511517184.

The previous prime is 16795537897. The next prime is 16795537921. The reversal of 16795537920 is 2973559761.

16795537920 is a `hidden beast` number, since 1 + 67 + 9 + 553 + 7 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16795537921) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 579156466 + ... + 579156494.

It is an arithmetic number, because the mean of its divisors is an integer number (53063010).

Almost surely, 2^16795537920 is an apocalyptic number.

16795537920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16795537920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38205367200).

16795537920 is an abundant number, since it is smaller than the sum of its proper divisors (59615196480).

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

16795537920 is an equidigital number, since it uses as much as digits as its factorization.

16795537920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 54.

The spelling of 16795537920 in words is "sixteen billion, seven hundred ninety-five million, five hundred thirty-seven thousand, nine hundred twenty".