163489362399 has 12 divisors (see below), whose sum is σ = 257619601512. Its totient is φ = 99084462000.

The previous prime is 163489362373. The next prime is 163489362433. The reversal of 163489362399 is 993263984361.

163489362399 is a `hidden beast` number, since 1 + 6 + 3 + 489 + 3 + 62 + 3 + 99 = 666.

It is not a de Polignac number, because 163489362399 - 2²¹ = 163487265247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163489362329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825703752 + ... + 825703949.

It is an arithmetic number, because the mean of its divisors is an integer number (21468300126).

Almost surely, 2^163489362399 is an apocalyptic number.

163489362399 is a deficient number, since it is larger than the sum of its proper divisors (94130239113).

163489362399 is a wasteful number, since it uses less digits than its factorization.

163489362399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651407718 (or 1651407715 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 63.

The spelling of 163489362399 in words is "one hundred sixty-three billion, four hundred eighty-nine million, three hundred sixty-two thousand, three hundred ninety-nine".