64221054510 has 32 divisors (see below), whose sum is σ = 154164004992. Its totient is φ = 17121895200.

The previous prime is 64221054461. The next prime is 64221054517. The reversal of 64221054510 is 1545012246.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64221054517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90604 + ... + 369663.

It is an arithmetic number, because the mean of its divisors is an integer number (4817625156).

Almost surely, 2^64221054510 is an apocalyptic number.

64221054510 is an abundant number, since it is smaller than the sum of its proper divisors (89942950482).

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

64221054510 is a wasteful number, since it uses less digits than its factorization.

64221054510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464928.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 64221054510 its reverse (1545012246), we get a palindrome (65766066756).

The spelling of 64221054510 in words is "sixty-four billion, two hundred twenty-one million, fifty-four thousand, five hundred ten".