61430790206 has 16 divisors (see below), whose sum is σ = 97782249600. Its totient is φ = 28881976728.

The previous prime is 61430790193. The next prime is 61430790227. The reversal of 61430790206 is 60209703416.

It is a self number, because there is not a number n which added to its sum of digits gives 61430790206.

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, 11314676 + ... + 11320103.

It is an arithmetic number, because the mean of its divisors is an integer number (6111390600).

Almost surely, 2^61430790206 is an apocalyptic number.

61430790206 is a deficient number, since it is larger than the sum of its proper divisors (36351459394).

61430790206 is a wasteful number, since it uses less digits than its factorization.

61430790206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22634863.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 61430790206 in words is "sixty-one billion, four hundred thirty million, seven hundred ninety thousand, two hundred six".