655616010331 has 8 divisors (see below), whose sum is σ = 661916861424. Its totient is φ = 649318374240.

The previous prime is 655616010317. The next prime is 655616010397. The reversal of 655616010331 is 133010616556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655616010331 is a prime.

It is a super-2 number, since 2×655616010331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655616011331) 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, 392940 + ... + 1210633.

It is an arithmetic number, because the mean of its divisors is an integer number (82739607678).

Almost surely, 2^655616010331 is an apocalyptic number.

655616010331 is a deficient number, since it is larger than the sum of its proper divisors (6300851093).

655616010331 is a wasteful number, since it uses less digits than its factorization.

655616010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607501.

The product of its (nonzero) digits is 48600, while the sum is 37.

Adding to 655616010331 its reverse (133010616556), we get a palindrome (788626626887).

The spelling of 655616010331 in words is "six hundred fifty-five billion, six hundred sixteen million, ten thousand, three hundred thirty-one".