161834066837 has 16 divisors (see below), whose sum is σ = 163830038400. Its totient is φ = 159852897600.

The previous prime is 161834066831. The next prime is 161834066843. The reversal of 161834066837 is 738660438161.

It is an interprime number because it is at equal distance from previous prime (161834066831) and next prime (161834066843).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161834066837 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 (161834066831) 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, 20052239 + ... + 20060307.

It is an arithmetic number, because the mean of its divisors is an integer number (10239377400).

Almost surely, 2^161834066837 is an apocalyptic number.

It is an amenable number.

161834066837 is a deficient number, since it is larger than the sum of its proper divisors (1995971563).

161834066837 is a wasteful number, since it uses less digits than its factorization.

161834066837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 161834066837 in words is "one hundred sixty-one billion, eight hundred thirty-four million, sixty-six thousand, eight hundred thirty-seven".