604740342066 has 96 divisors (see below), whose sum is σ = 1491559894080. Its totient is φ = 162417153024.

The previous prime is 604740342061. The next prime is 604740342067. The reversal of 604740342066 is 660243047406.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (604740342061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3968601 + ... + 4118163.

It is an arithmetic number, because the mean of its divisors is an integer number (15537082230).

Almost surely, 2^604740342066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604740342066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745779947040).

604740342066 is an abundant number, since it is smaller than the sum of its proper divisors (886819552014).

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

604740342066 is a wasteful number, since it uses less digits than its factorization.

604740342066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150408 (or 150401 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 604740342066 in words is "six hundred four billion, seven hundred forty million, three hundred forty-two thousand, sixty-six".