16143252663 has 16 divisors (see below), whose sum is σ = 22673504000. Its totient is φ = 10188400320.

The previous prime is 16143252641. The next prime is 16143252677. The reversal of 16143252663 is 36625234161.

It is not a de Polignac number, because 16143252663 - 2⁸ = 16143252407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16143252613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21478 + ... + 180963.

It is an arithmetic number, because the mean of its divisors is an integer number (1417094000).

Almost surely, 2^16143252663 is an apocalyptic number.

16143252663 is a deficient number, since it is larger than the sum of its proper divisors (6530251337).

16143252663 is a wasteful number, since it uses less digits than its factorization.

16143252663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203862.

The product of its digits is 155520, while the sum is 39.

The spelling of 16143252663 in words is "sixteen billion, one hundred forty-three million, two hundred fifty-two thousand, six hundred sixty-three".