63361620506 has 16 divisors (see below), whose sum is σ = 95144868000. Its totient is φ = 31646685840.

The previous prime is 63361620479. The next prime is 63361620563. The reversal of 63361620506 is 60502616336.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 63361620506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11452961 + ... + 11458491.

It is an arithmetic number, because the mean of its divisors is an integer number (5946554250).

Almost surely, 2^63361620506 is an apocalyptic number.

63361620506 is a deficient number, since it is larger than the sum of its proper divisors (31783247494).

63361620506 is a wasteful number, since it uses less digits than its factorization.

63361620506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 63361620506 in words is "sixty-three billion, three hundred sixty-one million, six hundred twenty thousand, five hundred six".