64816082 has 8 divisors (see below), whose sum is σ = 99851916. Its totient is φ = 31532112.

The previous prime is 64816069. The next prime is 64816153. The reversal of 64816082 is 28061846.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 4923961 = 7739^2 + 2219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64816082² = 8402248971661448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437873 + ... + 438020.

Almost surely, 2^64816082 is an apocalyptic number.

64816082 is a deficient number, since it is larger than the sum of its proper divisors (35035834).

64816082 is a wasteful number, since it uses less digits than its factorization.

64816082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875932.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 64816082 is about 8050.8435582863. The cubic root of 64816082 is about 401.6929951425.

The spelling of 64816082 in words is "sixty-four million, eight hundred sixteen thousand, eighty-two".