16731764352 has 320 divisors, whose sum is σ = 51089955840. Its totient is φ = 5434490880.

The previous prime is 16731764267. The next prime is 16731764377. The reversal of 16731764352 is 25346713761.

Its product of digits (635040) is a multiple of the sum of its prime divisors (360).

It is a junction number, because it is equal to n+sod(n) for n = 16731764298 and 16731764307.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127723327 + ... + 127723457.

It is an arithmetic number, because the mean of its divisors is an integer number (159656112).

Almost surely, 2^16731764352 is an apocalyptic number.

16731764352 is a gapful number since it is divisible by the number (12) 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 16731764352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25544977920).

16731764352 is an abundant number, since it is smaller than the sum of its proper divisors (34358191488).

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

16731764352 is a wasteful number, since it uses less digits than its factorization.

16731764352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 360 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 16731764352 in words is "sixteen billion, seven hundred thirty-one million, seven hundred sixty-four thousand, three hundred fifty-two".