655858101 has 16 divisors (see below), whose sum is σ = 892180800. Its totient is φ = 428435328.

The previous prime is 655858067. The next prime is 655858111. The reversal of 655858101 is 101858556.

It is not a de Polignac number, because 655858101 - 2¹⁰ = 655857077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655858101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655858111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50265 + ... + 61953.

It is an arithmetic number, because the mean of its divisors is an integer number (55761300).

Almost surely, 2^655858101 is an apocalyptic number.

It is an amenable number.

655858101 is a deficient number, since it is larger than the sum of its proper divisors (236322699).

655858101 is a wasteful number, since it uses less digits than its factorization.

655858101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12068.

The product of its (nonzero) digits is 48000, while the sum is 39.

The square root of 655858101 is about 25609.7266873350. The cubic root of 655858101 is about 868.8336424755.

The spelling of 655858101 in words is "six hundred fifty-five million, eight hundred fifty-eight thousand, one hundred one".