655001520067 has 4 divisors (see below), whose sum is σ = 655022513376. Its totient is φ = 654980526760.

The previous prime is 655001520053. The next prime is 655001520073. The reversal of 655001520067 is 760025100556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 655001520067 - 2¹¹ = 655001518019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655001520167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10449784 + ... + 10512277.

It is an arithmetic number, because the mean of its divisors is an integer number (163755628344).

Almost surely, 2^655001520067 is an apocalyptic number.

655001520067 is a deficient number, since it is larger than the sum of its proper divisors (20993309).

655001520067 is a wasteful number, since it uses less digits than its factorization.

655001520067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20993308.

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

The spelling of 655001520067 in words is "six hundred fifty-five billion, one million, five hundred twenty thousand, sixty-seven".