662973209055 has 24 divisors (see below), whose sum is σ = 1151046778752. Its totient is φ = 353003183424.

The previous prime is 662973209053. The next prime is 662973209057. The reversal of 662973209055 is 550902379266.

662973209055 is a `hidden beast` number, since 6 + 629 + 7 + 3 + 2 + 0 + 9 + 0 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (662973209053) and next prime (662973209057).

It is not a de Polignac number, because 662973209055 - 2¹ = 662973209053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662973208992 and 662973209010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662973209051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12108384 + ... + 12163013.

It is an arithmetic number, because the mean of its divisors is an integer number (47960282448).

Almost surely, 2^662973209055 is an apocalyptic number.

662973209055 is a deficient number, since it is larger than the sum of its proper divisors (488073569697).

662973209055 is a wasteful number, since it uses less digits than its factorization.

662973209055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272015 (or 24272012 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The spelling of 662973209055 in words is "six hundred sixty-two billion, nine hundred seventy-three million, two hundred nine thousand, fifty-five".