610161766778 has 16 divisors (see below), whose sum is σ = 1000341114624. Its totient is φ = 277872530880.

The previous prime is 610161766777. The next prime is 610161766793. The reversal of 610161766778 is 877667161016.

It is not an unprimeable number, because it can be changed into a prime (610161766777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289449500 + ... + 289451607.

It is an arithmetic number, because the mean of its divisors is an integer number (62521319664).

Almost surely, 2^610161766778 is an apocalyptic number.

610161766778 is a deficient number, since it is larger than the sum of its proper divisors (390179347846).

610161766778 is a wasteful number, since it uses less digits than its factorization.

610161766778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578901157.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 610161766778 in words is "six hundred ten billion, one hundred sixty-one million, seven hundred sixty-six thousand, seven hundred seventy-eight".