655356554161 has 4 divisors (see below), whose sum is σ = 689849004400. Its totient is φ = 620864103924.

The previous prime is 655356554131. The next prime is 655356554173. The reversal of 655356554161 is 161455653556.

655356554161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 655356554161 - 2⁷ = 655356554033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655356554099 and 655356554108.

It is not an unprimeable number, because it can be changed into a prime (655356554131) 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, 17246225091 + ... + 17246225128.

It is an arithmetic number, because the mean of its divisors is an integer number (172462251100).

Almost surely, 2^655356554161 is an apocalyptic number.

It is an amenable number.

655356554161 is a deficient number, since it is larger than the sum of its proper divisors (34492450239).

655356554161 is a wasteful number, since it uses less digits than its factorization.

655356554161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34492450238.

The product of its digits is 8100000, while the sum is 52.

The spelling of 655356554161 in words is "six hundred fifty-five billion, three hundred fifty-six million, five hundred fifty-four thousand, one hundred sixty-one".