16621507119 has 72 divisors (see below), whose sum is σ = 26945791488. Its totient is φ = 9077624640.

The previous prime is 16621507109. The next prime is 16621507127. The reversal of 16621507119 is 91170512661.

It is not a de Polignac number, because 16621507119 - 2¹¹ = 16621505071 is a prime.

It is a super-2 number, since 2×16621507119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16621507109) by changing a digit.

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, 54141564 + ... + 54141870.

It is an arithmetic number, because the mean of its divisors is an integer number (374247104).

Almost surely, 2^16621507119 is an apocalyptic number.

16621507119 is a deficient number, since it is larger than the sum of its proper divisors (10324284369).

16621507119 is a wasteful number, since it uses less digits than its factorization.

16621507119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 16621507119 in words is "sixteen billion, six hundred twenty-one million, five hundred seven thousand, one hundred nineteen".