16065001111557 has 8 divisors (see below), whose sum is σ = 21421192414176. Its totient is φ = 10709405274992.

The previous prime is 16065001111493. The next prime is 16065001111561. The reversal of 16065001111557 is 75511110056061.

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 16065001111557 - 2⁶ = 16065001111493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065001111597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148803558 + ... + 148911479.

It is an arithmetic number, because the mean of its divisors is an integer number (2677649051772).

Almost surely, 2^{16065001111557} is an apocalyptic number.

It is an amenable number.

16065001111557 is a deficient number, since it is larger than the sum of its proper divisors (5356191302619).

16065001111557 is a wasteful number, since it uses less digits than its factorization.

16065001111557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297733027.

The product of its (nonzero) digits is 31500, while the sum is 39.

The spelling of 16065001111557 in words is "sixteen trillion, sixty-five billion, one million, one hundred eleven thousand, five hundred fifty-seven".