63196136640 has 1344 divisors, whose sum is σ = 280652037120. Its totient is φ = 12700385280.

The previous prime is 63196136621. The next prime is 63196136669. The reversal of 63196136640 is 4663169136.

63196136640 is a `hidden beast` number, since 63 + 196 + 1 + 366 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 943225887 + ... + 943225953.

It is an arithmetic number, because the mean of its divisors is an integer number (208818480).

Almost surely, 2^63196136640 is an apocalyptic number.

63196136640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63196136640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140326018560).

63196136640 is an abundant number, since it is smaller than the sum of its proper divisors (217455900480).

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

63196136640 is a wasteful number, since it uses less digits than its factorization.

63196136640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 63196136640 in words is "sixty-three billion, one hundred ninety-six million, one hundred thirty-six thousand, six hundred forty".