61820267206 has 16 divisors (see below), whose sum is σ = 97631031600. Its totient is φ = 29277259488.

The previous prime is 61820267143. The next prime is 61820267213. The reversal of 61820267206 is 60276202816.

61820267206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 22560 + ... + 352348.

It is an arithmetic number, because the mean of its divisors is an integer number (6101939475).

Almost surely, 2^61820267206 is an apocalyptic number.

61820267206 is a deficient number, since it is larger than the sum of its proper divisors (35810764394).

61820267206 is a wasteful number, since it uses less digits than its factorization.

61820267206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334743.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 61820267206 in words is "sixty-one billion, eight hundred twenty million, two hundred sixty-seven thousand, two hundred six".