1685478124914 has 32 divisors (see below), whose sum is σ = 3538674708480. Its totient is φ = 534487318800.

The previous prime is 1685478124909. The next prime is 1685478125011. The reversal of 1685478124914 is 4194218745861.

It is a super-2 number, since 2×1685478124914² (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 15 ways as a sum of consecutive naturals, for example, 76783182 + ... + 76805129.

It is an arithmetic number, because the mean of its divisors is an integer number (110583584640).

Almost surely, 2^{1685478124914} is an apocalyptic number.

1685478124914 is an abundant number, since it is smaller than the sum of its proper divisors (1853196583566).

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

1685478124914 is a wasteful number, since it uses less digits than its factorization.

1685478124914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153588406.

The product of its digits is 15482880, while the sum is 60.

The spelling of 1685478124914 in words is "one trillion, six hundred eighty-five billion, four hundred seventy-eight million, one hundred twenty-four thousand, nine hundred fourteen".