6561650314252 has 24 divisors (see below), whose sum is σ = 12534292668240. Its totient is φ = 2980781252160.

The previous prime is 6561650314183. The next prime is 6561650314309. The reversal of 6561650314252 is 2524130561656.

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, 44602543 + ... + 44749414.

It is an arithmetic number, because the mean of its divisors is an integer number (522262194510).

Almost surely, 2^{6561650314252} is an apocalyptic number.

It is an amenable number.

6561650314252 is a deficient number, since it is larger than the sum of its proper divisors (5972642353988).

6561650314252 is a wasteful number, since it uses less digits than its factorization.

6561650314252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89353641 (or 89353639 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 6561650314252 in words is "six trillion, five hundred sixty-one billion, six hundred fifty million, three hundred fourteen thousand, two hundred fifty-two".