16247001617 has 8 divisors (see below), whose sum is σ = 20256002112. Its totient is φ = 12660001200.

The previous prime is 16247001613. The next prime is 16247001623. The reversal of 16247001617 is 71610074261.

It is a happy number.

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

It is not a de Polignac number, because 16247001617 - 2² = 16247001613 is a prime.

It is a super-2 number, since 2×16247001617² (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 (16247001611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105499934 + ... + 105500087.

It is an arithmetic number, because the mean of its divisors is an integer number (2532000264).

Almost surely, 2^16247001617 is an apocalyptic number.

It is an amenable number.

16247001617 is a deficient number, since it is larger than the sum of its proper divisors (4009000495).

16247001617 is a wasteful number, since it uses less digits than its factorization.

16247001617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211000039.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 16247001617 its reverse (71610074261), we get a palindrome (87857075878).

The spelling of 16247001617 in words is "sixteen billion, two hundred forty-seven million, one thousand, six hundred seventeen".