16000001617 has 4 divisors (see below), whose sum is σ = 16000316416. Its totient is φ = 15999686820.

The previous prime is 16000001609. The next prime is 16000001651. The reversal of 16000001617 is 71610000061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16000001617 - 2³ = 16000001609 is a prime.

It is a super-2 number, since 2×16000001617² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16000001117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61809 + ... + 189262.

It is an arithmetic number, because the mean of its divisors is an integer number (4000079104).

Almost surely, 2^16000001617 is an apocalyptic number.

It is an amenable number.

16000001617 is a deficient number, since it is larger than the sum of its proper divisors (314799).

16000001617 is an equidigital number, since it uses as much as digits as its factorization.

16000001617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314798.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 16000001617 its reverse (71610000061), we get a palindrome (87610001678).

It can be divided in two parts, 160000016 and 17, that multiplied together give a palindrome (2720000272).

The spelling of 16000001617 in words is "sixteen billion, one thousand, six hundred seventeen".