16303478958 has 144 divisors (see below), whose sum is σ = 41912204880. Its totient is φ = 4720840704.

The previous prime is 16303478921. The next prime is 16303478993. The reversal of 16303478958 is 85987430361.

16303478958 is a `hidden beast` number, since 163 + 0 + 3 + 478 + 9 + 5 + 8 = 666.

It is a super-2 number, since 2×16303478958² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1821438 + ... + 1830366.

Almost surely, 2^16303478958 is an apocalyptic number.

16303478958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16303478958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20956102440).

16303478958 is an abundant number, since it is smaller than the sum of its proper divisors (25608725922).

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

16303478958 is a wasteful number, since it uses less digits than its factorization.

16303478958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993 (or 8964 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 16303478958 in words is "sixteen billion, three hundred three million, four hundred seventy-eight thousand, nine hundred fifty-eight".