16722056425 has 12 divisors (see below), whose sum is σ = 21404233216. Its totient is φ = 12946107600.

The previous prime is 16722056423. The next prime is 16722056431. The reversal of 16722056425 is 52465022761.

It is not a de Polignac number, because 16722056425 - 2¹ = 16722056423 is a prime.

It is a super-3 number, since 3×16722056425³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16722056423) 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 11 ways as a sum of consecutive naturals, for example, 10787649 + ... + 10789198.

Almost surely, 2^16722056425 is an apocalyptic number.

It is an amenable number.

16722056425 is a deficient number, since it is larger than the sum of its proper divisors (4682176791).

16722056425 is a wasteful number, since it uses less digits than its factorization.

16722056425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21576888 (or 21576883 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 16722056425 in words is "sixteen billion, seven hundred twenty-two million, fifty-six thousand, four hundred twenty-five".