1604782268412 has 24 divisors (see below), whose sum is σ = 3746449405776. Its totient is φ = 534647787648.

The previous prime is 1604782268393. The next prime is 1604782268423. The reversal of 1604782268412 is 2148622874061.

It is a super-2 number, since 2×1604782268412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34930483 + ... + 34976394.

It is an arithmetic number, because the mean of its divisors is an integer number (156102058574).

Almost surely, 2^{1604782268412} is an apocalyptic number.

1604782268412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604782268412 is an abundant number, since it is smaller than the sum of its proper divisors (2141667137364).

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

1604782268412 is a wasteful number, since it uses less digits than its factorization.

1604782268412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69908797 (or 69908795 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 1604782268412 in words is "one trillion, six hundred four billion, seven hundred eighty-two million, two hundred sixty-eight thousand, four hundred twelve".