63165970 has 32 divisors (see below), whose sum is σ = 131414400. Its totient is φ = 21411456.

The previous prime is 63165961. The next prime is 63165997. The reversal of 63165970 is 7956136.

63165970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161 + ... + 11299.

It is an arithmetic number, because the mean of its divisors is an integer number (4106700).

Almost surely, 2^63165970 is an apocalyptic number.

63165970 is an abundant number, since it is smaller than the sum of its proper divisors (68248430).

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

63165970 is a wasteful number, since it uses less digits than its factorization.

63165970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 63165970 is about 7947.7021836503. The cubic root of 63165970 is about 398.2548345671.

The spelling of 63165970 in words is "sixty-three million, one hundred sixty-five thousand, nine hundred seventy".