16685185152 has 64 divisors (see below), whose sum is σ = 44333524800. Its totient is φ = 5560034304.

The previous prime is 16685185151. The next prime is 16685185157. The reversal of 16685185152 is 25158158661.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (16685185151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311533 + ... + 2318739.

It is an arithmetic number, because the mean of its divisors is an integer number (692711325).

Almost surely, 2^16685185152 is an apocalyptic number.

16685185152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16685185152 is an abundant number, since it is smaller than the sum of its proper divisors (27648339648).

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

16685185152 is an equidigital number, since it uses as much as digits as its factorization.

16685185152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253 (or 13241 counting only the distinct ones).

The product of its digits is 576000, while the sum is 48.

The spelling of 16685185152 in words is "sixteen billion, six hundred eighty-five million, one hundred eighty-five thousand, one hundred fifty-two".