662806748132653 has 8 divisors (see below), whose sum is σ = 664564135485600. Its totient is φ = 661049405816688.

The previous prime is 662806748132623. The next prime is 662806748132779. The reversal of 662806748132653 is 356231847608266.

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

It is a cyclic number.

It is not a de Polignac number, because 662806748132653 - 2²¹ = 662806746035501 is a prime.

It is a super-2 number, since 2×662806748132653² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662806748132623) 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, 18316518 + ... + 40756696.

It is an arithmetic number, because the mean of its divisors is an integer number (83070516935700).

Almost surely, 2^{662806748132653} is an apocalyptic number.

It is an amenable number.

662806748132653 is a deficient number, since it is larger than the sum of its proper divisors (1757387352947).

662806748132653 is a wasteful number, since it uses less digits than its factorization.

662806748132653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22518491.

The product of its (nonzero) digits is 418037760, while the sum is 67.

The spelling of 662806748132653 in words is "six hundred sixty-two trillion, eight hundred six billion, seven hundred forty-eight million, one hundred thirty-two thousand, six hundred fifty-three".