654346161 has 32 divisors (see below), whose sum is σ = 1110251520. Its totient is φ = 373114512.

The previous prime is 654346151. The next prime is 654346181. The reversal of 654346161 is 161643456.

It is a happy number.

654346161 is a `hidden beast` number, since 6 + 5 + 4 + 34 + 616 + 1 = 666.

It is not a de Polignac number, because 654346161 - 2⁵ = 654346129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654346151) 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, 91626 + ... + 98508.

It is an arithmetic number, because the mean of its divisors is an integer number (34695360).

Almost surely, 2^654346161 is an apocalyptic number.

It is an amenable number.

654346161 is a deficient number, since it is larger than the sum of its proper divisors (455905359).

654346161 is a wasteful number, since it uses less digits than its factorization.

654346161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402 (or 7396 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 654346161 is about 25580.1907928772. The cubic root of 654346161 is about 868.1654923292.

The spelling of 654346161 in words is "six hundred fifty-four million, three hundred forty-six thousand, one hundred sixty-one".