3185185016685 has 16 divisors (see below), whose sum is σ = 5824338316416. Its totient is φ = 1456084579008.

The previous prime is 3185185016669. The next prime is 3185185016693. The reversal of 3185185016685 is 5866105815813.

It is not a de Polignac number, because 3185185016685 - 2⁴ = 3185185016669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15167547594 + ... + 15167547803.

It is an arithmetic number, because the mean of its divisors is an integer number (364021144776).

Almost surely, 2^{3185185016685} is an apocalyptic number.

3185185016685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3185185016685 is a deficient number, since it is larger than the sum of its proper divisors (2639153299731).

3185185016685 is a wasteful number, since it uses less digits than its factorization.

3185185016685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30335095412.

The product of its (nonzero) digits is 6912000, while the sum is 57.

The spelling of 3185185016685 in words is "three trillion, one hundred eighty-five billion, one hundred eighty-five million, sixteen thousand, six hundred eighty-five".