16157739215 has 8 divisors (see below), whose sum is σ = 19438128960. Its totient is φ = 12893630112.

The previous prime is 16157739197. The next prime is 16157739217. The reversal of 16157739215 is 51293775161.

16157739215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16157739215 - 2⁸ = 16157738959 is a prime.

It is a super-2 number, since 2×16157739215² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16157739215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157739217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4067975 + ... + 4071944.

It is an arithmetic number, because the mean of its divisors is an integer number (2429766120).

Almost surely, 2^16157739215 is an apocalyptic number.

16157739215 is a deficient number, since it is larger than the sum of its proper divisors (3280389745).

16157739215 is an equidigital number, since it uses as much as digits as its factorization.

16157739215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140321.

The product of its digits is 396900, while the sum is 47.

The spelling of 16157739215 in words is "sixteen billion, one hundred fifty-seven million, seven hundred thirty-nine thousand, two hundred fifteen".