16066621335 has 16 divisors (see below), whose sum is σ = 26128015200. Its totient is φ = 8428391040.

The previous prime is 16066621321. The next prime is 16066621367. The reversal of 16066621335 is 53312666061.

It is a happy number.

It is not a de Polignac number, because 16066621335 - 2⁸ = 16066621079 is a prime.

It is a super-2 number, since 2×16066621335² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16066621293 and 16066621302.

It is a congruent number.

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, 8778660 + ... + 8780489.

It is an arithmetic number, because the mean of its divisors is an integer number (1633000950).

Almost surely, 2^16066621335 is an apocalyptic number.

16066621335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16066621335 is a deficient number, since it is larger than the sum of its proper divisors (10061393865).

16066621335 is a wasteful number, since it uses less digits than its factorization.

16066621335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17559218.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 16066621335 in words is "sixteen billion, sixty-six million, six hundred twenty-one thousand, three hundred thirty-five".