10506213066 has 16 divisors (see below), whose sum is σ = 21046489344. Its totient is φ = 3496393824.

The previous prime is 10506212989. The next prime is 10506213089. The reversal of 10506213066 is 66031260501.

It is a super-2 number, since 2×10506213066² (a number of 21 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, 1415290 + ... + 1422693.

It is an arithmetic number, because the mean of its divisors is an integer number (1315405584).

Almost surely, 2^10506213066 is an apocalyptic number.

10506213066 is an abundant number, since it is smaller than the sum of its proper divisors (10540276278).

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

10506213066 is a wasteful number, since it uses less digits than its factorization.

10506213066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838605.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 10506213066 its reverse (66031260501), we get a palindrome (76537473567).

The spelling of 10506213066 in words is "ten billion, five hundred six million, two hundred thirteen thousand, sixty-six".