1623163640211 has 6 divisors (see below), whose sum is σ = 2344569702540. Its totient is φ = 1082109093468.

The previous prime is 1623163640143. The next prime is 1623163640243. The reversal of 1623163640211 is 1120463613261.

1623163640211 is a `hidden beast` number, since 1 + 6 + 2 + 3 + 1 + 6 + 3 + 640 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 1623163640211 - 2¹³ = 1623163632019 is a prime.

It is a super-2 number, since 2×1623163640211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1623163640011) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 90175757781 + ... + 90175757798.

It is an arithmetic number, because the mean of its divisors is an integer number (390761617090).

Almost surely, 2^{1623163640211} is an apocalyptic number.

1623163640211 is a deficient number, since it is larger than the sum of its proper divisors (721406062329).

1623163640211 is a wasteful number, since it uses less digits than its factorization.

1623163640211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180351515585 (or 180351515582 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 1623163640211 in words is "one trillion, six hundred twenty-three billion, one hundred sixty-three million, six hundred forty thousand, two hundred eleven".