655001605028 has 6 divisors (see below), whose sum is σ = 1146252808806. Its totient is φ = 327500802512.

The previous prime is 655001605007. The next prime is 655001605039. The reversal of 655001605028 is 820506100556.

It can be written as a sum of positive squares in only one way, i.e., 416758042624 + 238243562404 = 645568^2 + 488102^2 .

It is a super-2 number, since 2×655001605028² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655001604982 and 655001605000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81875200625 + ... + 81875200632.

It is an arithmetic number, because the mean of its divisors is an integer number (191042134801).

Almost surely, 2^655001605028 is an apocalyptic number.

It is an amenable number.

655001605028 is a deficient number, since it is larger than the sum of its proper divisors (491251203778).

655001605028 is a wasteful number, since it uses less digits than its factorization.

655001605028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163750401261 (or 163750401259 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 655001605028 in words is "six hundred fifty-five billion, one million, six hundred five thousand, twenty-eight".