16247615897 has 8 divisors (see below), whose sum is σ = 16410139200. Its totient is φ = 16085744784.

The previous prime is 16247615827. The next prime is 16247615927. The reversal of 16247615897 is 79851674261.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16247615897 is a prime.

It is a super-2 number, since 2×16247615897² (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 (16247615827) 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 7 ways as a sum of consecutive naturals, for example, 112898 + ... + 212699.

It is an arithmetic number, because the mean of its divisors is an integer number (2051267400).

Almost surely, 2^16247615897 is an apocalyptic number.

It is an amenable number.

16247615897 is a deficient number, since it is larger than the sum of its proper divisors (162523303).

16247615897 is a wasteful number, since it uses less digits than its factorization.

16247615897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326095.

The product of its digits is 5080320, while the sum is 56.

The spelling of 16247615897 in words is "sixteen billion, two hundred forty-seven million, six hundred fifteen thousand, eight hundred ninety-seven".