605604999961 has 16 divisors (see below), whose sum is σ = 659309732928. Its totient is φ = 552945182400.

The previous prime is 605604999943. The next prime is 605604999983. The reversal of 605604999961 is 169999406506.

It is not a de Polignac number, because 605604999961 - 2²¹ = 605602902809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 605604999893 and 605604999902.

It is not an unprimeable number, because it can be changed into a prime (605604999661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56350 + ... + 1101991.

It is an arithmetic number, because the mean of its divisors is an integer number (41206858308).

Almost surely, 2^605604999961 is an apocalyptic number.

It is an amenable number.

605604999961 is a deficient number, since it is larger than the sum of its proper divisors (53704732967).

605604999961 is a wasteful number, since it uses less digits than its factorization.

605604999961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158792.

The product of its (nonzero) digits is 28343520, while the sum is 64.

The spelling of 605604999961 in words is "six hundred five billion, six hundred four million, nine hundred ninety-nine thousand, nine hundred sixty-one".