16125553157065 has 8 divisors (see below), whose sum is σ = 21109815042048. Its totient is φ = 11727675023280.

The previous prime is 16125553157029. The next prime is 16125553157183. The reversal of 16125553157065 is 56075135552161.

It is a happy number.

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

It is not a de Polignac number, because 16125553157065 - 2¹⁵ = 16125553124297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146595937737 + ... + 146595937846.

It is an arithmetic number, because the mean of its divisors is an integer number (2638726880256).

Almost surely, 2^{16125553157065} is an apocalyptic number.

It is an amenable number.

16125553157065 is a deficient number, since it is larger than the sum of its proper divisors (4984261884983).

16125553157065 is a wasteful number, since it uses less digits than its factorization.

16125553157065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293191875599.

The product of its (nonzero) digits is 4725000, while the sum is 52.

The spelling of 16125553157065 in words is "sixteen trillion, one hundred twenty-five billion, five hundred fifty-three million, one hundred fifty-seven thousand, sixty-five".