163930449564 has 96 divisors (see below), whose sum is σ = 493952524800. Its totient is φ = 46043406720.

The previous prime is 163930449547. The next prime is 163930449583. The reversal of 163930449564 is 465944039361.

It is a happy number.

163930449564 is a `hidden beast` number, since 1 + 6 + 3 + 9 + 30 + 4 + 49 + 564 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 163930449564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1793017 + ... + 1882224.

It is an arithmetic number, because the mean of its divisors is an integer number (5145338800).

Almost surely, 2^163930449564 is an apocalyptic number.

163930449564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163930449564 is an abundant number, since it is smaller than the sum of its proper divisors (330022075236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163930449564 is a wasteful number, since it uses less digits than its factorization.

163930449564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675320 (or 3675312 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 163930449564 in words is "one hundred sixty-three billion, nine hundred thirty million, four hundred forty-nine thousand, five hundred sixty-four".