61686834832410 has 16 divisors (see below), whose sum is σ = 148048403597856. Its totient is φ = 16449822621968.

The previous prime is 61686834832387. The next prime is 61686834832457. The reversal of 61686834832410 is 1423843868616.

It is a happy number.

It is a Curzon 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, 1028113913844 + ... + 1028113913903.

It is an arithmetic number, because the mean of its divisors is an integer number (9253025224866).

Almost surely, 2^{61686834832410} is an apocalyptic number.

61686834832410 is an abundant number, since it is smaller than the sum of its proper divisors (86361568765446).

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

61686834832410 is a wasteful number, since it uses less digits than its factorization.

61686834832410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056227827757.

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 61686834832410 in words is "sixty-one trillion, six hundred eighty-six billion, eight hundred thirty-four million, eight hundred thirty-two thousand, four hundred ten".