16200319995 has 48 divisors (see below), whose sum is σ = 28693828800. Its totient is φ = 8452424448.

The previous prime is 16200319921. The next prime is 16200320009. The reversal of 16200319995 is 59991300261.

It is a happy number.

16200319995 is a `hidden beast` number, since 1 + 620 + 0 + 3 + 19 + 9 + 9 + 5 = 666.

It is not a de Polignac number, because 16200319995 - 2⁷ = 16200319867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16200319995.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 822634 + ... + 842096.

It is an arithmetic number, because the mean of its divisors is an integer number (597788100).

Almost surely, 2^16200319995 is an apocalyptic number.

16200319995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16200319995 is a deficient number, since it is larger than the sum of its proper divisors (12493508805).

16200319995 is a wasteful number, since it uses less digits than its factorization.

16200319995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876 (or 19873 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 16200319995 in words is "sixteen billion, two hundred million, three hundred nineteen thousand, nine hundred ninety-five".