61384164486 has 32 divisors (see below), whose sum is σ = 125238317568. Its totient is φ = 20053820160.

The previous prime is 61384164461. The next prime is 61384164497. The reversal of 61384164486 is 68446148316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452050 + ... + 571941.

It is an arithmetic number, because the mean of its divisors is an integer number (3913697424).

Almost surely, 2^61384164486 is an apocalyptic number.

61384164486 is an abundant number, since it is smaller than the sum of its proper divisors (63854153082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61384164486 is a wasteful number, since it uses less digits than its factorization.

61384164486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024196.

The product of its digits is 2654208, while the sum is 51.

The spelling of 61384164486 in words is "sixty-one billion, three hundred eighty-four million, one hundred sixty-four thousand, four hundred eighty-six".