606610661604 has 48 divisors (see below), whose sum is σ = 1433201633472. Its totient is φ = 199666478592.

The previous prime is 606610661603. The next prime is 606610661611. The reversal of 606610661604 is 406166016606.

It is a super-4 number, since 4×606610661604⁴ (a number of 48 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (606610661603) 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, 1832232 + ... + 2137824.

It is an arithmetic number, because the mean of its divisors is an integer number (29858367364).

Almost surely, 2^606610661604 is an apocalyptic number.

It is an amenable number.

606610661604 is an abundant number, since it is smaller than the sum of its proper divisors (826590971868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606610661604 is a wasteful number, since it uses less digits than its factorization.

606610661604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307676 (or 307674 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 606610661604 in words is "six hundred six billion, six hundred ten million, six hundred sixty-one thousand, six hundred four".