66363505010 has 16 divisors (see below), whose sum is σ = 130313791872. Its totient is φ = 24132183600.

The previous prime is 66363504953. The next prime is 66363505031. The reversal of 66363505010 is 1050536366.

It is a super-2 number, since 2×66363505010² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301652186 + ... + 301652405.

It is an arithmetic number, because the mean of its divisors is an integer number (8144611992).

Almost surely, 2^66363505010 is an apocalyptic number.

66363505010 is a deficient number, since it is larger than the sum of its proper divisors (63950286862).

66363505010 is a wasteful number, since it uses less digits than its factorization.

66363505010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603304609.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 66363505010 in words is "sixty-six billion, three hundred sixty-three million, five hundred five thousand, ten".