655536063623 has 16 divisors (see below), whose sum is σ = 818842558464. Its totient is φ = 511776593280.

The previous prime is 655536063583. The next prime is 655536063647. The reversal of 655536063623 is 326360635556.

It is a cyclic number.

It is not a de Polignac number, because 655536063623 - 2⁸ = 655536063367 is a prime.

It is a super-2 number, since 2×655536063623² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655536063683) 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, 88846415 + ... + 88853792.

It is an arithmetic number, because the mean of its divisors is an integer number (51177659904).

Almost surely, 2^655536063623 is an apocalyptic number.

655536063623 is a deficient number, since it is larger than the sum of its proper divisors (163306494841).

655536063623 is a wasteful number, since it uses less digits than its factorization.

655536063623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177700262.

The product of its (nonzero) digits is 8748000, while the sum is 50.

The spelling of 655536063623 in words is "six hundred fifty-five billion, five hundred thirty-six million, sixty-three thousand, six hundred twenty-three".