6661010120502 has 16 divisors (see below), whose sum is σ = 13901238512640. Its totient is φ = 2123800328232.

The previous prime is 6661010120491. The next prime is 6661010120503. The reversal of 6661010120502 is 2050210101666.

It is a self number, because there is not a number n which added to its sum of digits gives 6661010120502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661010120503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24134094502 + ... + 24134094777.

It is an arithmetic number, because the mean of its divisors is an integer number (868827407040).

Almost surely, 2^{6661010120502} is an apocalyptic number.

6661010120502 is an abundant number, since it is smaller than the sum of its proper divisors (7240228392138).

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

6661010120502 is a wasteful number, since it uses less digits than its factorization.

6661010120502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48268189307.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 6661010120502 in words is "six trillion, six hundred sixty-one billion, ten million, one hundred twenty thousand, five hundred two".