655001605027 has 32 divisors (see below), whose sum is σ = 818122927104. Its totient is φ = 509455785600.

The previous prime is 655001605007. The next prime is 655001605039. The reversal of 655001605027 is 720506100556.

It is a cyclic number.

It is not a de Polignac number, because 655001605027 - 2¹¹ = 655001602979 is a prime.

It is a super-2 number, since 2×655001605027² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655001605007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154808002 + ... + 154812232.

It is an arithmetic number, because the mean of its divisors is an integer number (25566341472).

Almost surely, 2^655001605027 is an apocalyptic number.

655001605027 is a deficient number, since it is larger than the sum of its proper divisors (163121322077).

655001605027 is a wasteful number, since it uses less digits than its factorization.

655001605027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7459.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 655001605027 in words is "six hundred fifty-five billion, one million, six hundred five thousand, twenty-seven".