64650106 has 8 divisors (see below), whose sum is σ = 100319220. Its totient is φ = 31210368.

The previous prime is 64650101. The next prime is 64650107. The reversal of 64650106 is 60105646.

It can be written as a sum of positive squares in 2 ways, for example, as 61074225 + 3575881 = 7815^2 + 1891^2 .

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

It is a super-2 number, since 2×64650106² = 8359272411622472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64650101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557271 + ... + 557386.

Almost surely, 2^64650106 is an apocalyptic number.

64650106 is a deficient number, since it is larger than the sum of its proper divisors (35669114).

64650106 is a wasteful number, since it uses less digits than its factorization.

64650106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114688.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 64650106 is about 8040.5289626989. The cubic root of 64650106 is about 401.3498272919.

The spelling of 64650106 in words is "sixty-four million, six hundred fifty thousand, one hundred six".