64612150 has 12 divisors (see below), whose sum is σ = 120178692. Its totient is φ = 25844840.

The previous prime is 64612123. The next prime is 64612151. The reversal of 64612150 is 5121646.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64612151) 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 5 ways as a sum of consecutive naturals, for example, 646072 + ... + 646171.

It is an arithmetic number, because the mean of its divisors is an integer number (10014891).

Almost surely, 2^64612150 is an apocalyptic number.

64612150 is a deficient number, since it is larger than the sum of its proper divisors (55566542).

64612150 is a wasteful number, since it uses less digits than its factorization.

64612150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292255 (or 1292250 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 64612150 is about 8038.1683236917. The cubic root of 64612150 is about 401.2712679145.

Adding to 64612150 its reverse (5121646), we get a palindrome (69733796).

The spelling of 64612150 in words is "sixty-four million, six hundred twelve thousand, one hundred fifty".