16160156505 has 40 divisors (see below), whose sum is σ = 29010411144. Its totient is φ = 8606304000.

The previous prime is 16160156503. The next prime is 16160156521. The reversal of 16160156505 is 50565106161.

It can be written as a sum of positive squares in 4 ways, for example, as 7830126144 + 8330030361 = 88488^2 + 91269^2 .

It is not a de Polignac number, because 16160156505 - 2¹ = 16160156503 is a prime.

It is a super-2 number, since 2×16160156505² (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 16160156505.

It is not an unprimeable number, because it can be changed into a prime (16160156503) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 255445 + ... + 312365.

Almost surely, 2^16160156505 is an apocalyptic number.

16160156505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16160156505 is a deficient number, since it is larger than the sum of its proper divisors (12850254639).

16160156505 is an equidigital number, since it uses as much as digits as its factorization.

16160156505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57639 (or 57630 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 16160156505 in words is "sixteen billion, one hundred sixty million, one hundred fifty-six thousand, five hundred five".