185385936967 has 16 divisors (see below), whose sum is σ = 241179674112. Its totient is φ = 138175852320.

The previous prime is 185385936941. The next prime is 185385936971. The reversal of 185385936967 is 769639583581.

It is a de Polignac number, because none of the positive numbers 2^k-185385936967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 185385936896 and 185385936905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185385936917) 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, 52337568 + ... + 52341109.

It is an arithmetic number, because the mean of its divisors is an integer number (15073729632).

Almost surely, 2^185385936967 is an apocalyptic number.

185385936967 is a deficient number, since it is larger than the sum of its proper divisors (55793737145).

185385936967 is a wasteful number, since it uses less digits than its factorization.

185385936967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104678718.

The product of its digits is 293932800, while the sum is 70.

The spelling of 185385936967 in words is "one hundred eighty-five billion, three hundred eighty-five million, nine hundred thirty-six thousand, nine hundred sixty-seven".