61684069014 has 24 divisors (see below), whose sum is σ = 133718754312. Its totient is φ = 20550596640.

The previous prime is 61684069009. The next prime is 61684069199. The reversal of 61684069014 is 41096048616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861252 + ... + 930119.

It is an arithmetic number, because the mean of its divisors is an integer number (5571614763).

Almost surely, 2^61684069014 is an apocalyptic number.

61684069014 is an abundant number, since it is smaller than the sum of its proper divisors (72034685298).

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

61684069014 is a wasteful number, since it uses less digits than its factorization.

61684069014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793292 (or 1793289 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 61684069014 in words is "sixty-one billion, six hundred eighty-four million, sixty-nine thousand, fourteen".