169879106243 has 16 divisors (see below), whose sum is σ = 216303657984. Its totient is φ = 129556872960.

The previous prime is 169879106209. The next prime is 169879106281. The reversal of 169879106243 is 342601978961.

It is a cyclic number.

It is not a de Polignac number, because 169879106243 - 2¹⁴ = 169879089859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169879106203) 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, 23466830 + ... + 23474067.

It is an arithmetic number, because the mean of its divisors is an integer number (13518978624).

Almost surely, 2^169879106243 is an apocalyptic number.

169879106243 is a deficient number, since it is larger than the sum of its proper divisors (46424551741).

169879106243 is a wasteful number, since it uses less digits than its factorization.

169879106243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46940962.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 169879106243 in words is "one hundred sixty-nine billion, eight hundred seventy-nine million, one hundred six thousand, two hundred forty-three".