16945662852 has 18 divisors (see below), whose sum is σ = 42834870078. Its totient is φ = 5648554272.

The previous prime is 16945662841. The next prime is 16945662857. The reversal of 16945662852 is 25826654961.

16945662852 is a `hidden beast` number, since 1 + 6 + 9 + 4 + 5 + 6 + 628 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9435013956 + 7510648896 = 97134^2 + 86664^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×16945662852³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16945662857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235356393 + ... + 235356464.

Almost surely, 2^16945662852 is an apocalyptic number.

16945662852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16945662852 is an abundant number, since it is smaller than the sum of its proper divisors (25889207226).

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

16945662852 is a wasteful number, since it uses less digits than its factorization.

16945662852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470712867 (or 470712862 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 16945662852 in words is "sixteen billion, nine hundred forty-five million, six hundred sixty-two thousand, eight hundred fifty-two".