16247840609 has 32 divisors (see below), whose sum is σ = 22031412480. Its totient is φ = 11570976000.

The previous prime is 16247840603. The next prime is 16247840629. The reversal of 16247840609 is 90604874261.

It is a cyclic number.

It is not a de Polignac number, because 16247840609 - 2¹⁶ = 16247775073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16247840603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20747 + ... + 181455.

It is an arithmetic number, because the mean of its divisors is an integer number (688481640).

Almost surely, 2^16247840609 is an apocalyptic number.

It is an amenable number.

16247840609 is a deficient number, since it is larger than the sum of its proper divisors (5783571871).

16247840609 is a wasteful number, since it uses less digits than its factorization.

16247840609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160841.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 16247840609 in words is "sixteen billion, two hundred forty-seven million, eight hundred forty thousand, six hundred nine".