16157491730128 has 80 divisors (see below), whose sum is σ = 35863157753856. Its totient is φ = 6908026769280.

The previous prime is 16157491730117. The next prime is 16157491730131. The reversal of 16157491730128 is 82103719475161.

It is a super-2 number, since 2×16157491730128² (a number of 27 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 429804613 + ... + 429842203.

It is a 1-persistent number, because it is pandigital, but 2⋅16157491730128 = 32314983460256 is not.

Almost surely, 2^{16157491730128} is an apocalyptic number.

It is an amenable number.

16157491730128 is an abundant number, since it is smaller than the sum of its proper divisors (19705666023728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16157491730128 is a wasteful number, since it uses less digits than its factorization.

16157491730128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46712 (or 46706 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 16157491730128 in words is "sixteen trillion, one hundred fifty-seven billion, four hundred ninety-one million, seven hundred thirty thousand, one hundred twenty-eight".