16016001605 has 8 divisors (see below), whose sum is σ = 19305388032. Its totient is φ = 12755343888.

The previous prime is 16016001553. The next prime is 16016001611. The reversal of 16016001605 is 50610061061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16016001605 - 2²⁰ = 16014953029 is a prime.

It is a super-2 number, since 2×16016001605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7180949 + ... + 7183178.

It is an arithmetic number, because the mean of its divisors is an integer number (2413173504).

Almost surely, 2^16016001605 is an apocalyptic number.

It is an amenable number.

16016001605 is a deficient number, since it is larger than the sum of its proper divisors (3289386427).

16016001605 is a wasteful number, since it uses less digits than its factorization.

16016001605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364355.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 16016001605 its reverse (50610061061), we get a palindrome (66626062666).

The spelling of 16016001605 in words is "sixteen billion, sixteen million, one thousand, six hundred five".