63940158 has 16 divisors (see below), whose sum is σ = 142089360. Its totient is φ = 21313368.

The previous prime is 63940153. The next prime is 63940159. The reversal of 63940158 is 85104936.

63940158 is a `hidden beast` number, since 639 + 4 + 0 + 15 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63940153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591985 + ... + 592092.

It is an arithmetic number, because the mean of its divisors is an integer number (8880585).

Almost surely, 2^63940158 is an apocalyptic number.

63940158 is an abundant number, since it is smaller than the sum of its proper divisors (78149202).

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

63940158 is a wasteful number, since it uses less digits than its factorization.

63940158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184088 (or 1184082 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 63940158 is about 7996.2590003076. The cubic root of 63940158 is about 399.8752902894.

The spelling of 63940158 in words is "sixty-three million, nine hundred forty thousand, one hundred fifty-eight".