16650143252 has 12 divisors (see below), whose sum is σ = 29159850720. Its totient is φ = 8318757336.

The previous prime is 16650143243. The next prime is 16650143287. The reversal of 16650143252 is 25234105661.

It is a super-2 number, since 2×16650143252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572638 + ... + 1583189.

It is an arithmetic number, because the mean of its divisors is an integer number (2429987560).

Almost surely, 2^16650143252 is an apocalyptic number.

It is an amenable number.

16650143252 is a deficient number, since it is larger than the sum of its proper divisors (12509707468).

16650143252 is a wasteful number, since it uses less digits than its factorization.

16650143252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157150 (or 3157148 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 16650143252 in words is "sixteen billion, six hundred fifty million, one hundred forty-three thousand, two hundred fifty-two".