64538150 has 24 divisors (see below), whose sum is σ = 120491544. Its totient is φ = 25718400.

The previous prime is 64538129. The next prime is 64538167. The reversal of 64538150 is 5183546.

It is a happy number.

64538150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 11870 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (5020481).

Almost surely, 2^64538150 is an apocalyptic number.

64538150 is a deficient number, since it is larger than the sum of its proper divisors (55953394).

64538150 is a wasteful number, since it uses less digits than its factorization.

64538150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4851 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 64538150 is about 8033.5639662606. The cubic root of 64538150 is about 401.1180180112.

The spelling of 64538150 in words is "sixty-four million, five hundred thirty-eight thousand, one hundred fifty".