16126272404064 has 72 divisors (see below), whose sum is σ = 46140431376312. Its totient is φ = 5342446056960.

The previous prime is 16126272403987. The next prime is 16126272404087. The reversal of 16126272404064 is 46040427262161.

It is a happy number.

16126272404064 is a `hidden beast` number, since 1 + 6 + 12 + 627 + 2 + 4 + 0 + 4 + 0 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×16126272404064² (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 11 ways as a sum of consecutive naturals, for example, 171713797 + ... + 171807684.

It is an arithmetic number, because the mean of its divisors is an integer number (640839324671).

Almost surely, 2^{16126272404064} is an apocalyptic number.

It is an amenable number.

16126272404064 is an abundant number, since it is smaller than the sum of its proper divisors (30014158972248).

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

16126272404064 is a wasteful number, since it uses less digits than its factorization.

16126272404064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343521660 (or 343521649 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 16126272404064 in words is "sixteen trillion, one hundred twenty-six billion, two hundred seventy-two million, four hundred four thousand, sixty-four".