655347552681 has 8 divisors (see below), whose sum is σ = 881963061984. Its totient is φ = 432815205920.

The previous prime is 655347552653. The next prime is 655347552707. The reversal of 655347552681 is 186255743556.

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 655347552681 - 2⁹ = 655347552169 is a prime.

It is a super-2 number, since 2×655347552681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655347552611) 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, 1020790260 + ... + 1020790901.

It is an arithmetic number, because the mean of its divisors is an integer number (110245382748).

Almost surely, 2^655347552681 is an apocalyptic number.

It is an amenable number.

655347552681 is a deficient number, since it is larger than the sum of its proper divisors (226615509303).

655347552681 is a wasteful number, since it uses less digits than its factorization.

655347552681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041581271.

The product of its digits is 30240000, while the sum is 57.

The spelling of 655347552681 in words is "six hundred fifty-five billion, three hundred forty-seven million, five hundred fifty-two thousand, six hundred eighty-one".