16299217542972 has 192 divisors, whose sum is σ = 47983318032384. Its totient is φ = 4190905405440.

The previous prime is 16299217542911. The next prime is 16299217543001. The reversal of 16299217542972 is 27924571299261.

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, 64031253 + ... + 64285299.

It is an arithmetic number, because the mean of its divisors is an integer number (249913114752).

Almost surely, 2^{16299217542972} is an apocalyptic number.

16299217542972 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 16299217542972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23991659016192).

16299217542972 is an abundant number, since it is smaller than the sum of its proper divisors (31684100489412).

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

16299217542972 is a wasteful number, since it uses less digits than its factorization.

16299217542972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255548 (or 255546 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 66.

The spelling of 16299217542972 in words is "sixteen trillion, two hundred ninety-nine billion, two hundred seventeen million, five hundred forty-two thousand, nine hundred seventy-two".