16507223040 has 704 divisors, whose sum is σ = 69782197248. Its totient is φ = 3224371200.

The previous prime is 16507222997. The next prime is 16507223053. The reversal of 16507223040 is 4032270561.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 16507222989 and 16507223007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20105830 + ... + 20106650.

Almost surely, 2^16507223040 is an apocalyptic number.

16507223040 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 16507223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34891098624).

16507223040 is an abundant number, since it is smaller than the sum of its proper divisors (53274974208).

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

16507223040 is a wasteful number, since it uses less digits than its factorization.

16507223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 16507223040 in words is "sixteen billion, five hundred seven million, two hundred twenty-three thousand, forty".