64851801 has 32 divisors (see below), whose sum is σ = 103541760. Its totient is φ = 35321664.

The previous prime is 64851799. The next prime is 64851851. The reversal of 64851801 is 10815846.

It is not a de Polignac number, because 64851801 - 2¹ = 64851799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64851851) 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 31 ways as a sum of consecutive naturals, for example, 49906 + ... + 51188.

It is an arithmetic number, because the mean of its divisors is an integer number (3235680).

Almost surely, 2^64851801 is an apocalyptic number.

It is an amenable number.

64851801 is a deficient number, since it is larger than the sum of its proper divisors (38689959).

64851801 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 64851801 = (10588461)₁₃.

64851801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 64851801 is about 8053.0615917178. The cubic root of 64851801 is about 401.7667702346.

The spelling of 64851801 in words is "sixty-four million, eight hundred fifty-one thousand, eight hundred one".