61702686516 has 24 divisors (see below), whose sum is σ = 144040619520. Its totient is φ = 20557892992.

The previous prime is 61702686509. The next prime is 61702686547. The reversal of 61702686516 is 61568620716.

61702686516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182036 + ... + 1233131.

It is an arithmetic number, because the mean of its divisors is an integer number (6001692480).

Almost surely, 2^61702686516 is an apocalyptic number.

It is an amenable number.

61702686516 is an abundant number, since it is smaller than the sum of its proper divisors (82337933004).

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

61702686516 is a wasteful number, since it uses less digits than its factorization.

61702686516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417303 (or 2417301 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 61702686516 in words is "sixty-one billion, seven hundred two million, six hundred eighty-six thousand, five hundred sixteen".