6561202150 has 48 divisors (see below), whose sum is σ = 12639079440. Its totient is φ = 2531088000.

The previous prime is 6561202129. The next prime is 6561202163. The reversal of 6561202150 is 512021656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1617625 + ... + 1621675.

It is an arithmetic number, because the mean of its divisors is an integer number (263314155).

Almost surely, 2^6561202150 is an apocalyptic number.

6561202150 is a deficient number, since it is larger than the sum of its proper divisors (6077877290).

6561202150 is a wasteful number, since it uses less digits than its factorization.

6561202150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5204 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 6561202150 is about 81001.2478298946. The cubic root of 6561202150 is about 1872.0946672957.

The spelling of 6561202150 in words is "six billion, five hundred sixty-one million, two hundred two thousand, one hundred fifty".