603551663150465 has 8 divisors (see below), whose sum is σ = 724263216081768. Its totient is φ = 482840516986240.

The previous prime is 603551663150437. The next prime is 603551663150503. The reversal of 603551663150465 is 564051366155306.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 691640059201 + 602860023091264 = 831649^2 + 24553208^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 603551663150465 - 2¹⁴ = 603551663134081 is a prime.

It is a super-2 number, since 2×603551663150465² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 603551663150465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98417876 + ... + 104370405.

It is an arithmetic number, because the mean of its divisors is an integer number (90532902010221).

Almost surely, 2^{603551663150465} is an apocalyptic number.

It is an amenable number.

603551663150465 is a deficient number, since it is larger than the sum of its proper divisors (120711552931303).

603551663150465 is a wasteful number, since it uses less digits than its factorization.

603551663150465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203383539.

The product of its (nonzero) digits is 29160000, while the sum is 56.

The spelling of 603551663150465 in words is "six hundred three trillion, five hundred fifty-one billion, six hundred sixty-three million, one hundred fifty thousand, four hundred sixty-five".