16903503356992 has 112 divisors (see below), whose sum is σ = 38779753743360. Its totient is φ = 7160744581632.

The previous prime is 16903503356981. The next prime is 16903503357007. The reversal of 16903503356992 is 29965330530961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 16903503356992.

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, 12760963 + ... + 14023165.

It is an arithmetic number, because the mean of its divisors is an integer number (346247801280).

Almost surely, 2^{16903503356992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16903503356992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19389876871680).

16903503356992 is an abundant number, since it is smaller than the sum of its proper divisors (21876250386368).

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

16903503356992 is a wasteful number, since it uses less digits than its factorization.

16903503356992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262568 (or 1262558 counting only the distinct ones).

The product of its (nonzero) digits is 35429400, while the sum is 61.

The spelling of 16903503356992 in words is "sixteen trillion, nine hundred three billion, five hundred three million, three hundred fifty-six thousand, nine hundred ninety-two".