1864227500163 has 120 divisors (see below), whose sum is σ = 3346062445440. Its totient is φ = 1030273655040.

The previous prime is 1864227500123. The next prime is 1864227500167. The reversal of 1864227500163 is 3610057224681.

1864227500163 is a `hidden beast` number, since 1 + 8 + 64 + 2 + 27 + 500 + 1 + 63 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1864227500163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1864227500167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 257024845 + ... + 257032097.

It is an arithmetic number, because the mean of its divisors is an integer number (27883853712).

Almost surely, 2^{1864227500163} is an apocalyptic number.

1864227500163 is a deficient number, since it is larger than the sum of its proper divisors (1481834945277).

1864227500163 is a wasteful number, since it uses less digits than its factorization.

1864227500163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399 (or 9383 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1864227500163 in words is "one trillion, eight hundred sixty-four billion, two hundred twenty-seven million, five hundred thousand, one hundred sixty-three".