61550468758 has 16 divisors (see below), whose sum is σ = 93923457264. Its totient is φ = 30243555360.

The previous prime is 61550468717. The next prime is 61550468767. The reversal of 61550468758 is 85786405516.

It is a junction number, because it is equal to n+sod(n) for n = 61550468699 and 61550468708.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89560 + ... + 362107.

It is an arithmetic number, because the mean of its divisors is an integer number (5870216079).

Almost surely, 2^61550468758 is an apocalyptic number.

61550468758 is a deficient number, since it is larger than the sum of its proper divisors (32372988506).

61550468758 is a wasteful number, since it uses less digits than its factorization.

61550468758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452847.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 61550468758 in words is "sixty-one billion, five hundred fifty million, four hundred sixty-eight thousand, seven hundred fifty-eight".