16128268767154 has 8 divisors (see below), whose sum is σ = 24414351803820. Its totient is φ = 7990151499216.

The previous prime is 16128268767151. The next prime is 16128268767167. The reversal of 16128268767154 is 45176786282161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15338792091529 + 789476675625 = 3916477^2 + 888525^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16128268767151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36991441909 + ... + 36991442344.

Almost surely, 2^{16128268767154} is an apocalyptic number.

16128268767154 is a deficient number, since it is larger than the sum of its proper divisors (8286083036666).

16128268767154 is a wasteful number, since it uses less digits than its factorization.

16128268767154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73982884364.

The product of its digits is 54190080, while the sum is 64.

The spelling of 16128268767154 in words is "sixteen trillion, one hundred twenty-eight billion, two hundred sixty-eight million, seven hundred sixty-seven thousand, one hundred fifty-four".