16406076821075 has 48 divisors (see below), whose sum is σ = 21764896957440. Its totient is φ = 12231006480000.

The previous prime is 16406076821063. The next prime is 16406076821107. The reversal of 16406076821075 is 57012867060461.

It is not a de Polignac number, because 16406076821075 - 2¹⁶ = 16406076755539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21941630 + ... + 22677020.

It is an arithmetic number, because the mean of its divisors is an integer number (453435353280).

Almost surely, 2^{16406076821075} is an apocalyptic number.

16406076821075 is a deficient number, since it is larger than the sum of its proper divisors (5358820136365).

16406076821075 is a wasteful number, since it uses less digits than its factorization.

16406076821075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736188 (or 736183 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 16406076821075 in words is "sixteen trillion, four hundred six billion, seventy-six million, eight hundred twenty-one thousand, seventy-five".