16609838361 has 16 divisors (see below), whose sum is σ = 23367724800. Its totient is φ = 10465372368.

The previous prime is 16609838341. The next prime is 16609838411. The reversal of 16609838361 is 16383890661.

It is a de Polignac number, because none of the positive numbers 2^k-16609838361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16609838341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323851 + ... + 371616.

It is an arithmetic number, because the mean of its divisors is an integer number (1460482800).

Almost surely, 2^16609838361 is an apocalyptic number.

It is an amenable number.

16609838361 is a deficient number, since it is larger than the sum of its proper divisors (6757886439).

16609838361 is a wasteful number, since it uses less digits than its factorization.

16609838361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695908.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 16609838361 in words is "sixteen billion, six hundred nine million, eight hundred thirty-eight thousand, three hundred sixty-one".