16242502847 has 4 divisors (see below), whose sum is σ = 16465002960. Its totient is φ = 16020002736.

The previous prime is 16242502807. The next prime is 16242502853. The reversal of 16242502847 is 74820524261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16242502847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242502807) 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, 111249947 + ... + 111250092.

It is an arithmetic number, because the mean of its divisors is an integer number (4116250740).

Almost surely, 2^16242502847 is an apocalyptic number.

16242502847 is a deficient number, since it is larger than the sum of its proper divisors (222500113).

16242502847 is an equidigital number, since it uses as much as digits as its factorization.

16242502847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222500112.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 16242502847 in words is "sixteen billion, two hundred forty-two million, five hundred two thousand, eight hundred forty-seven".