612641556263066 has 96 divisors (see below), whose sum is σ = 1079774222212224. Its totient is φ = 259857117273600.

The previous prime is 612641556263039. The next prime is 612641556263083. The reversal of 612641556263066 is 660362655146216.

It is a happy number.

612641556263066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 612641556262996 and 612641556263014.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6335634830 + ... + 6335731526.

It is an arithmetic number, because the mean of its divisors is an integer number (11247648148044).

Almost surely, 2^{612641556263066} is an apocalyptic number.

612641556263066 is a deficient number, since it is larger than the sum of its proper divisors (467132665949158).

612641556263066 is a wasteful number, since it uses less digits than its factorization.

612641556263066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124548 (or 124537 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 612641556263066 in words is "six hundred twelve trillion, six hundred forty-one billion, five hundred fifty-six million, two hundred sixty-three thousand, sixty-six".