618144165662 has 4 divisors (see below), whose sum is σ = 927216248496. Its totient is φ = 309072082830.

The previous prime is 618144165649. The next prime is 618144165689. The reversal of 618144165662 is 266561441816.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 618144165662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154536041414 + ... + 154536041417.

It is an arithmetic number, because the mean of its divisors is an integer number (231804062124).

Almost surely, 2^618144165662 is an apocalyptic number.

618144165662 is a deficient number, since it is larger than the sum of its proper divisors (309072082834).

618144165662 is a wasteful number, since it uses less digits than its factorization.

618144165662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309072082833.

The product of its digits is 1658880, while the sum is 50.

The spelling of 618144165662 in words is "six hundred eighteen billion, one hundred forty-four million, one hundred sixty-five thousand, six hundred sixty-two".