63195066 has 48 divisors (see below), whose sum is σ = 154915488. Its totient is φ = 19148400.

The previous prime is 63195017. The next prime is 63195091. The reversal of 63195066 is 66059136.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63195066.

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, 565 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (3227406).

Almost surely, 2^63195066 is an apocalyptic number.

63195066 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 63195066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77457744).

63195066 is an abundant number, since it is smaller than the sum of its proper divisors (91720422).

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

63195066 is a wasteful number, since it uses less digits than its factorization.

63195066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11849 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 63195066 is about 7949.5324390809. The cubic root of 63195066 is about 398.3159742595.

The spelling of 63195066 in words is "sixty-three million, one hundred ninety-five thousand, sixty-six".