16400474611 has 2 divisors, whose sum is σ = 16400474612. Its totient is φ = 16400474610.

The previous prime is 16400474593. The next prime is 16400474659. The reversal of 16400474611 is 11647400461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16400474611 - 2⁷ = 16400474483 is a prime.

It is not a weakly prime, because it can be changed into another prime (16400474681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200237305 + 8200237306.

It is an arithmetic number, because the mean of its divisors is an integer number (8200237306).

Almost surely, 2^16400474611 is an apocalyptic number.

16400474611 is a deficient number, since it is larger than the sum of its proper divisors (1).

16400474611 is an equidigital number, since it uses as much as digits as its factorization.

16400474611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 16400474611 in words is "sixteen billion, four hundred million, four hundred seventy-four thousand, six hundred eleven".