5161821542206 has 16 divisors (see below), whose sum is σ = 8848895172480. Its totient is φ = 2212194671640.

The previous prime is 5161821542161. The next prime is 5161821542239. The reversal of 5161821542206 is 6022451281615.

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, 1148061 + ... + 3411991.

It is an arithmetic number, because the mean of its divisors is an integer number (553055948280).

Almost surely, 2^{5161821542206} is an apocalyptic number.

5161821542206 is a deficient number, since it is larger than the sum of its proper divisors (3687073630274).

5161821542206 is a wasteful number, since it uses less digits than its factorization.

5161821542206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426799.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 5161821542206 in words is "five trillion, one hundred sixty-one billion, eight hundred twenty-one million, five hundred forty-two thousand, two hundred six".