662416213623 has 8 divisors (see below), whose sum is σ = 883225419648. Its totient is φ = 441608908344.

The previous prime is 662416213531. The next prime is 662416213631. The reversal of 662416213623 is 326312614266.

It is a happy number.

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

It is not a de Polignac number, because 662416213623 - 2¹² = 662416209527 is a prime.

It is a super-2 number, since 2×662416213623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662416213663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940590 + ... + 1486452.

It is an arithmetic number, because the mean of its divisors is an integer number (110403177456).

Almost surely, 2^662416213623 is an apocalyptic number.

662416213623 is a deficient number, since it is larger than the sum of its proper divisors (220809206025).

662416213623 is a wasteful number, since it uses less digits than its factorization.

662416213623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950373.

The product of its digits is 373248, while the sum is 42.

Adding to 662416213623 its reverse (326312614266), we get a palindrome (988728827889).

The spelling of 662416213623 in words is "six hundred sixty-two billion, four hundred sixteen million, two hundred thirteen thousand, six hundred twenty-three".