1685016525164 has 24 divisors (see below), whose sum is σ = 3425279497248. Its totient is φ = 710311415040.

The previous prime is 1685016525133. The next prime is 1685016525229. The reversal of 1685016525164 is 4615256105861.

It is a super-2 number, since 2×1685016525164² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493270109 + ... + 493273524.

It is an arithmetic number, because the mean of its divisors is an integer number (142719979052).

Almost surely, 2^{1685016525164} is an apocalyptic number.

1685016525164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1685016525164 is an abundant number, since it is smaller than the sum of its proper divisors (1740262972084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1685016525164 is a wasteful number, since it uses less digits than its factorization.

1685016525164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986543705 (or 986543703 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 1685016525164 in words is "one trillion, six hundred eighty-five billion, sixteen million, five hundred twenty-five thousand, one hundred sixty-four".