2168336807534 has 4 divisors (see below), whose sum is σ = 3252505211304. Its totient is φ = 1084168403766.

The previous prime is 2168336807531. The next prime is 2168336807543. The reversal of 2168336807534 is 4357086338612.

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

It is a super-2 number, since 2×2168336807534² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2168336807534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168336807531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542084201882 + ... + 542084201885.

It is an arithmetic number, because the mean of its divisors is an integer number (813126302826).

Almost surely, 2^{2168336807534} is an apocalyptic number.

2168336807534 is a deficient number, since it is larger than the sum of its proper divisors (1084168403770).

2168336807534 is a wasteful number, since it uses less digits than its factorization.

2168336807534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084168403769.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 2168336807534 in words is "two trillion, one hundred sixty-eight billion, three hundred thirty-six million, eight hundred seven thousand, five hundred thirty-four".