16675939840 has 160 divisors (see below), whose sum is σ = 46811628864. Its totient is φ = 5577768960.

The previous prime is 16675939807. The next prime is 16675939871. The reversal of 16675939840 is 4893957661.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723372 + ... + 746068.

Almost surely, 2^16675939840 is an apocalyptic number.

16675939840 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 16675939840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23405814432).

16675939840 is an abundant number, since it is smaller than the sum of its proper divisors (30135689024).

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

16675939840 is an equidigital number, since it uses as much as digits as its factorization.

16675939840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22768 (or 22752 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 16675939840 in words is "sixteen billion, six hundred seventy-five million, nine hundred thirty-nine thousand, eight hundred forty".