64650652340010 has 128 divisors (see below), whose sum is σ = 169648345036800. Its totient is φ = 15637625376000.

The previous prime is 64650652339997. The next prime is 64650652340023. The reversal of 64650652340010 is 1004325605646.

It is an interprime number because it is at equal distance from previous prime (64650652339997) and next prime (64650652340023).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301363285 + ... + 301577735.

It is an arithmetic number, because the mean of its divisors is an integer number (1325377695600).

Almost surely, 2^{64650652340010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64650652340010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84824172518400).

64650652340010 is an abundant number, since it is smaller than the sum of its proper divisors (104997692696790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64650652340010 is a wasteful number, since it uses less digits than its factorization.

64650652340010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216524.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 64650652340010 its reverse (1004325605646), we get a palindrome (65654977945656).

The spelling of 64650652340010 in words is "sixty-four trillion, six hundred fifty billion, six hundred fifty-two million, three hundred forty thousand, ten".