61671000530 has 8 divisors (see below), whose sum is σ = 111007800972. Its totient is φ = 24668400208.

The previous prime is 61671000449. The next prime is 61671000533. The reversal of 61671000530 is 3500017616.

It can be written as a sum of positive squares in 2 ways, for example, as 60556842889 + 1114157641 = 246083^2 + 33379^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61671000493 and 61671000502.

It is not an unprimeable number, because it can be changed into a prime (61671000533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083550017 + ... + 3083550036.

Almost surely, 2^61671000530 is an apocalyptic number.

61671000530 is a deficient number, since it is larger than the sum of its proper divisors (49336800442).

61671000530 is a wasteful number, since it uses less digits than its factorization.

61671000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167100060.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 61671000530 in words is "sixty-one billion, six hundred seventy-one million, five hundred thirty", and thus it is an aban number.