655004206004 has 6 divisors (see below), whose sum is σ = 1146257360514. Its totient is φ = 327502103000.

The previous prime is 655004205967. The next prime is 655004206013. The reversal of 655004206004 is 400602400556.

It can be written as a sum of positive squares in only one way, i.e., 576521304100 + 78482901904 = 759290^2 + 280148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81875525747 + ... + 81875525754.

It is an arithmetic number, because the mean of its divisors is an integer number (191042893419).

Almost surely, 2^655004206004 is an apocalyptic number.

It is an amenable number.

655004206004 is a deficient number, since it is larger than the sum of its proper divisors (491253154510).

655004206004 is a wasteful number, since it uses less digits than its factorization.

655004206004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163751051505 (or 163751051503 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 655004206004 in words is "six hundred fifty-five billion, four million, two hundred six thousand, four".