800161651405 has 16 divisors (see below), whose sum is σ = 974618293824. Its totient is φ = 630514938240.

The previous prime is 800161651369. The next prime is 800161651409. The reversal of 800161651405 is 504156161008.

It is not a de Polignac number, because 800161651405 - 2¹³ = 800161643213 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 (800161651409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577465 + ... + 3794545.

It is an arithmetic number, because the mean of its divisors is an integer number (60913643364).

Almost surely, 2^800161651405 is an apocalyptic number.

It is an amenable number.

800161651405 is a deficient number, since it is larger than the sum of its proper divisors (174456642419).

800161651405 is a wasteful number, since it uses less digits than its factorization.

800161651405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228156.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 800161651405 in words is "eight hundred billion, one hundred sixty-one million, six hundred fifty-one thousand, four hundred five".