16456774201 has 16 divisors (see below), whose sum is σ = 19070352000. Its totient is φ = 13910214528.

The previous prime is 16456774153. The next prime is 16456774211. The reversal of 16456774201 is 10247765461.

It is not a de Polignac number, because 16456774201 - 2³³ = 7866839609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16456774211) 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 in 15 ways as a sum of consecutive naturals, for example, 88221 + ... + 201733.

It is an arithmetic number, because the mean of its divisors is an integer number (1191897000).

Almost surely, 2^16456774201 is an apocalyptic number.

It is an amenable number.

16456774201 is a deficient number, since it is larger than the sum of its proper divisors (2613577799).

16456774201 is a wasteful number, since it uses less digits than its factorization.

16456774201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113808.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 16456774201 in words is "sixteen billion, four hundred fifty-six million, seven hundred seventy-four thousand, two hundred one".