611666050163 has 16 divisors (see below), whose sum is σ = 715612098816. Its totient is φ = 511955065440.

The previous prime is 611666050141. The next prime is 611666050187. The reversal of 611666050163 is 361050666116.

611666050163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611666050163 - 2¹⁴ = 611666033779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611666050163.

It is not an unprimeable number, because it can be changed into a prime (611666050103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3828581 + ... + 3985142.

It is an arithmetic number, because the mean of its divisors is an integer number (44725756176).

Almost surely, 2^611666050163 is an apocalyptic number.

611666050163 is a deficient number, since it is larger than the sum of its proper divisors (103946048653).

611666050163 is a wasteful number, since it uses less digits than its factorization.

611666050163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813994.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 611666050163 in words is "six hundred eleven billion, six hundred sixty-six million, fifty thousand, one hundred sixty-three".