6681761502 has 32 divisors (see below), whose sum is σ = 15148936320. Its totient is φ = 1947719520.

The previous prime is 6681761497. The next prime is 6681761543. The reversal of 6681761502 is 2051671866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252824 + ... + 2255787.

It is an arithmetic number, because the mean of its divisors is an integer number (473404260).

Almost surely, 2^6681761502 is an apocalyptic number.

6681761502 is an abundant number, since it is smaller than the sum of its proper divisors (8467174818).

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

6681761502 is a wasteful number, since it uses less digits than its factorization.

6681761502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508648.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 6681761502 is about 81742.0424383927. The cubic root of 6681761502 is about 1883.4914654041.

The spelling of 6681761502 in words is "six billion, six hundred eighty-one million, seven hundred sixty-one thousand, five hundred two".