655010010601 has 4 divisors (see below), whose sum is σ = 655015082112. Its totient is φ = 655004939092.

The previous prime is 655010010569. The next prime is 655010010607. The reversal of 655010010601 is 106010010556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 655010010601 - 2⁵ = 655010010569 is a prime.

It is a super-2 number, since 2×655010010601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655010010607) 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, 2336821 + ... + 2602066.

It is an arithmetic number, because the mean of its divisors is an integer number (163753770528).

Almost surely, 2^655010010601 is an apocalyptic number.

It is an amenable number.

655010010601 is a deficient number, since it is larger than the sum of its proper divisors (5071511).

655010010601 is a wasteful number, since it uses less digits than its factorization.

655010010601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071510.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 655010010601 in words is "six hundred fifty-five billion, ten million, ten thousand, six hundred one".