416564673427 has 16 divisors (see below), whose sum is σ = 478147288320. Its totient is φ = 355503674592.

The previous prime is 416564673403. The next prime is 416564673449. The reversal of 416564673427 is 724376465614.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416564673427 is a prime.

It is a super-2 number, since 2×416564673427² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416564673527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397188 + ... + 1668910.

It is an arithmetic number, because the mean of its divisors is an integer number (29884205520).

Almost surely, 2^416564673427 is an apocalyptic number.

416564673427 is a deficient number, since it is larger than the sum of its proper divisors (61582614893).

416564673427 is a wasteful number, since it uses less digits than its factorization.

416564673427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272682.

The product of its digits is 20321280, while the sum is 55.

The spelling of 416564673427 in words is "four hundred sixteen billion, five hundred sixty-four million, six hundred seventy-three thousand, four hundred twenty-seven".