15143666652 has 36 divisors (see below), whose sum is σ = 38461264296. Its totient is φ = 5023962720.

The previous prime is 15143666651. The next prime is 15143666663. The reversal of 15143666652 is 25666634151.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 15143666598 and 15143666607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15143666651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 989223 + ... + 1004414.

Almost surely, 2^15143666652 is an apocalyptic number.

15143666652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15143666652 is an abundant number, since it is smaller than the sum of its proper divisors (23317597644).

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

15143666652 is a wasteful number, since it uses less digits than its factorization.

15143666652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993858 (or 1993853 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 15143666652 in words is "fifteen billion, one hundred forty-three million, six hundred sixty-six thousand, six hundred fifty-two".