61510496927 has 8 divisors (see below), whose sum is σ = 67305090432. Its totient is φ = 55749691800.

The previous prime is 61510496909. The next prime is 61510496947. The reversal of 61510496927 is 72969401516.

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

It is not a de Polignac number, because 61510496927 - 2⁶ = 61510496863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61510496947) 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, 8443283 + ... + 8450564.

It is an arithmetic number, because the mean of its divisors is an integer number (8413136304).

Almost surely, 2^61510496927 is an apocalyptic number.

61510496927 is a deficient number, since it is larger than the sum of its proper divisors (5794593505).

61510496927 is a wasteful number, since it uses less digits than its factorization.

61510496927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16894189.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 61510496927 in words is "sixty-one billion, five hundred ten million, four hundred ninety-six thousand, nine hundred twenty-seven".