656342141 has 8 divisors (see below), whose sum is σ = 807805824. Its totient is φ = 519303600.

The previous prime is 656342119. The next prime is 656342147. The reversal of 656342141 is 141243656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 656342141 - 2⁶ = 656342077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 656342098 and 656342107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656342147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606185 + ... + 3606366.

It is an arithmetic number, because the mean of its divisors is an integer number (100975728).

Almost surely, 2^656342141 is an apocalyptic number.

It is an amenable number.

656342141 is a deficient number, since it is larger than the sum of its proper divisors (151463683).

656342141 is a wasteful number, since it uses less digits than its factorization.

656342141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212571.

The product of its digits is 17280, while the sum is 32.

The square root of 656342141 is about 25619.1752599493. The cubic root of 656342141 is about 869.0473303749.

Adding to 656342141 its reverse (141243656), we get a palindrome (797585797).

The spelling of 656342141 in words is "six hundred fifty-six million, three hundred forty-two thousand, one hundred forty-one".