65656033442 has 8 divisors (see below), whose sum is σ = 98485513500. Its totient is φ = 32827528944.

The previous prime is 65656033411. The next prime is 65656033447. The reversal of 65656033442 is 24433065656.

It can be written as a sum of positive squares in 2 ways, for example, as 65607187321 + 48846121 = 256139^2 + 6989^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 65656033393 and 65656033402.

It is not an unprimeable number, because it can be changed into a prime (65656033447) 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 3 ways as a sum of consecutive naturals, for example, 42317 + ... + 364832.

Almost surely, 2^65656033442 is an apocalyptic number.

65656033442 is a deficient number, since it is larger than the sum of its proper divisors (32829480058).

65656033442 is a wasteful number, since it uses less digits than its factorization.

65656033442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487780.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 65656033442 in words is "sixty-five billion, six hundred fifty-six million, thirty-three thousand, four hundred forty-two".