61605046463 has 8 divisors (see below), whose sum is σ = 66500200800. Its totient is φ = 56894615008.

The previous prime is 61605046439. The next prime is 61605046499. The reversal of 61605046463 is 36464050616.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61605046463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61605046463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61605046423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46180028 + ... + 46181361.

It is an arithmetic number, because the mean of its divisors is an integer number (8312525100).

Almost surely, 2^61605046463 is an apocalyptic number.

61605046463 is a deficient number, since it is larger than the sum of its proper divisors (4895154337).

61605046463 is a wasteful number, since it uses less digits than its factorization.

61605046463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92361441.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 61605046463 in words is "sixty-one billion, six hundred five million, forty-six thousand, four hundred sixty-three".