604420162551 has 12 divisors (see below), whose sum is σ = 877438541200. Its totient is φ = 400921915680.

The previous prime is 604420162487. The next prime is 604420162571. The reversal of 604420162551 is 155261024406.

604420162551 is a `hidden beast` number, since 6 + 0 + 4 + 4 + 20 + 1 + 625 + 5 + 1 = 666.

It is not a de Polignac number, because 604420162551 - 2⁶ = 604420162487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604420162571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168736390 + ... + 168739971.

Almost surely, 2^604420162551 is an apocalyptic number.

604420162551 is a deficient number, since it is larger than the sum of its proper divisors (273018378649).

604420162551 is a wasteful number, since it uses less digits than its factorization.

604420162551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337476566 (or 337476563 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 604420162551 its reverse (155261024406), we get a palindrome (759681186957).

The spelling of 604420162551 in words is "six hundred four billion, four hundred twenty million, one hundred sixty-two thousand, five hundred fifty-one".