16227537534 has 24 divisors (see below), whose sum is σ = 37864254792. Its totient is φ = 4993088400.

The previous prime is 16227537533. The next prime is 16227537563. The reversal of 16227537534 is 43573572261.

16227537534 is a `hidden beast` number, since 1 + 6 + 2 + 275 + 375 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16227537534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16227537533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34673992 + ... + 34674459.

It is an arithmetic number, because the mean of its divisors is an integer number (1577677283).

Almost surely, 2^16227537534 is an apocalyptic number.

16227537534 is an abundant number, since it is smaller than the sum of its proper divisors (21636717258).

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

16227537534 is a wasteful number, since it uses less digits than its factorization.

16227537534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69348472 (or 69348469 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

It can be divided in two parts, 162275 and 37534, that added together give a square (199809 = 447²).

The spelling of 16227537534 in words is "sixteen billion, two hundred twenty-seven million, five hundred thirty-seven thousand, five hundred thirty-four".