63801696 has 144 divisors (see below), whose sum is σ = 202777344. Its totient is φ = 17203968.

The previous prime is 63801671. The next prime is 63801707. The reversal of 63801696 is 69610836.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242461 + ... + 242723.

It is an arithmetic number, because the mean of its divisors is an integer number (1408176).

Almost surely, 2^63801696 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 63801696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101388672).

63801696 is an abundant number, since it is smaller than the sum of its proper divisors (138975648).

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

63801696 is a wasteful number, since it uses less digits than its factorization.

63801696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 63801696 is about 7987.5963843950. The cubic root of 63801696 is about 399.5864392328.

It can be divided in two parts, 6 and 3801696, that multiplied together give a square (22810176 = 4776²).

The spelling of 63801696 in words is "sixty-three million, eight hundred one thousand, six hundred ninety-six".