63167218492 has 216 divisors, whose sum is σ = 142686804960. Its totient is φ = 24315540480.

The previous prime is 63167218453. The next prime is 63167218501. The reversal of 63167218492 is 29481276136.

It is a happy number.

It is a hoax number, since the sum of its digits (49) 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 (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 709743984 + ... + 709744072.

It is an arithmetic number, because the mean of its divisors is an integer number (660587060).

Almost surely, 2^63167218492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63167218492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71343402480).

63167218492 is an abundant number, since it is smaller than the sum of its proper divisors (79519586468).

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

63167218492 is a wasteful number, since it uses less digits than its factorization.

63167218492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 211 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The spelling of 63167218492 in words is "sixty-three billion, one hundred sixty-seven million, two hundred eighteen thousand, four hundred ninety-two".