64146464 has 12 divisors (see below), whose sum is σ = 126288414. Its totient is φ = 32073216.

The previous prime is 64146431. The next prime is 64146469. The reversal of 64146464 is 46464146.

It can be written as a sum of positive squares in only one way, i.e., 43824400 + 20322064 = 6620^2 + 4508^2 .

It is a super-2 number, since 2×64146464² = 8229537687406592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64146469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002257 + ... + 1002320.

Almost surely, 2^64146464 is an apocalyptic number.

It is an amenable number.

64146464 is a deficient number, since it is larger than the sum of its proper divisors (62141950).

64146464 is a wasteful number, since it uses less digits than its factorization.

64146464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004587 (or 2004579 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 64146464 is about 8009.1487687519. The cubic root of 64146464 is about 400.3049008629.

The spelling of 64146464 in words is "sixty-four million, one hundred forty-six thousand, four hundred sixty-four".