64681150 has 24 divisors (see below), whose sum is σ = 120867264. Its totient is φ = 25752000.

The previous prime is 64681121. The next prime is 64681151. The reversal of 64681150 is 5118646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64681151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8250 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (5036136).

Almost surely, 2^64681150 is an apocalyptic number.

64681150 is a deficient number, since it is larger than the sum of its proper divisors (56186114).

64681150 is a wasteful number, since it uses less digits than its factorization.

64681150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036 (or 6031 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 64681150 is about 8042.4592010156. The cubic root of 64681150 is about 401.4140577114.

Adding to 64681150 its reverse (5118646), we get a palindrome (69799796).

It can be divided in two parts, 646 and 81150, that added together give a square (81796 = 286²).

The spelling of 64681150 in words is "sixty-four million, six hundred eighty-one thousand, one hundred fifty".