1606217427204 has 48 divisors (see below), whose sum is σ = 4036262345472. Its totient is φ = 494205288192.

The previous prime is 1606217427203. The next prime is 1606217427211. The reversal of 1606217427204 is 4027247126061.

It is not an unprimeable number, because it can be changed into a prime (1606217427203) 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, 5471877 + ... + 5757939.

It is an arithmetic number, because the mean of its divisors is an integer number (84088798864).

Almost surely, 2^{1606217427204} is an apocalyptic number.

It is an amenable number.

1606217427204 is an abundant number, since it is smaller than the sum of its proper divisors (2430044918268).

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

1606217427204 is a wasteful number, since it uses less digits than its factorization.

1606217427204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322076 (or 322074 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 1606217427204 in words is "one trillion, six hundred six billion, two hundred seventeen million, four hundred twenty-seven thousand, two hundred four".