16536129463296 has 99 divisors (see below), whose sum is σ = 47748842210251. Its totient is φ = 5511913027584.

The previous prime is 16536129463277. The next prime is 16536129463313. The reversal of 16536129463296 is 69236492163561.

The square root of 16536129463296 is 4066464.

It is a perfect power (a square), and thus also a powerful number.

16536129463296 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 61 + 29 + 463 + 2 + 96 = 666.

It is a super-2 number, since 2×16536129463296² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 390359365 + ... + 390401723.

Almost surely, 2^{16536129463296} is an apocalyptic number.

16536129463296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16536129463296 is the 4066464-th square number.

It is an amenable number.

16536129463296 is an abundant number, since it is smaller than the sum of its proper divisors (31212712746955).

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

16536129463296 is an frugal number, since it uses more digits than its factorization.

16536129463296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84744 (or 42364 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 63.

The spelling of 16536129463296 in words is "sixteen trillion, five hundred thirty-six billion, one hundred twenty-nine million, four hundred sixty-three thousand, two hundred ninety-six".