655065612148 has 12 divisors (see below), whose sum is σ = 1177347654532. Its totient is φ = 318680568000.

The previous prime is 655065612137. The next prime is 655065612221. The reversal of 655065612148 is 841216560556.

It can be written as a sum of positive squares in 2 ways, for example, as 426746014564 + 228319597584 = 653258^2 + 477828^2 .

It is a super-2 number, since 2×655065612148² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2213059353 + ... + 2213059648.

Almost surely, 2^655065612148 is an apocalyptic number.

It is an amenable number.

655065612148 is a deficient number, since it is larger than the sum of its proper divisors (522282042384).

655065612148 is a wasteful number, since it uses less digits than its factorization.

655065612148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426119042 (or 4426119040 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 655065612148 in words is "six hundred fifty-five billion, sixty-five million, six hundred twelve thousand, one hundred forty-eight".