662416556461 has 8 divisors (see below), whose sum is σ = 731342705184. Its totient is φ = 594941484720.

The previous prime is 662416556437. The next prime is 662416556509. The reversal of 662416556461 is 164655614266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662416556461 - 2¹¹ = 662416554413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662416556399 and 662416556408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662416556761) 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 7 ways as a sum of consecutive naturals, for example, 362768286 + ... + 362770111.

It is an arithmetic number, because the mean of its divisors is an integer number (91417838148).

Almost surely, 2^662416556461 is an apocalyptic number.

It is an amenable number.

662416556461 is a deficient number, since it is larger than the sum of its proper divisors (68926148723).

662416556461 is a wasteful number, since it uses less digits than its factorization.

662416556461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725538491.

The product of its digits is 6220800, while the sum is 52.

The spelling of 662416556461 in words is "six hundred sixty-two billion, four hundred sixteen million, five hundred fifty-six thousand, four hundred sixty-one".