16556142140315 has 8 divisors (see below), whose sum is σ = 19867438424400. Its totient is φ = 13244868474912.

The previous prime is 16556142140273. The next prime is 16556142140323. The reversal of 16556142140315 is 51304124165561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16556142140315 - 2⁸ = 16556142140059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000340 + ... + 7008209.

It is an arithmetic number, because the mean of its divisors is an integer number (2483429803050).

Almost surely, 2^{16556142140315} is an apocalyptic number.

16556142140315 is a deficient number, since it is larger than the sum of its proper divisors (3311296284085).

16556142140315 is a wasteful number, since it uses less digits than its factorization.

16556142140315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309341.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 16556142140315 in words is "sixteen trillion, five hundred fifty-six billion, one hundred forty-two million, one hundred forty thousand, three hundred fifteen".