606654506881 has 4 divisors (see below), whose sum is σ = 606724254000. Its totient is φ = 606584759764.

The previous prime is 606654506879. The next prime is 606654506897. The reversal of 606654506881 is 188605456606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 606654506881 - 2¹ = 606654506879 is a prime.

It is a super-2 number, since 2×606654506881² (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 (606654506981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34860511 + ... + 34877908.

It is an arithmetic number, because the mean of its divisors is an integer number (151681063500).

Almost surely, 2^606654506881 is an apocalyptic number.

It is an amenable number.

606654506881 is a deficient number, since it is larger than the sum of its proper divisors (69747119).

606654506881 is an equidigital number, since it uses as much as digits as its factorization.

606654506881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69747118.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 606654506881 in words is "six hundred six billion, six hundred fifty-four million, five hundred six thousand, eight hundred eighty-one".