105666064995 has 16 divisors (see below), whose sum is σ = 169183226880. Its totient is φ = 56316060384.

The previous prime is 105666064883. The next prime is 105666065023. The reversal of 105666064995 is 599460666501.

It is not a de Polignac number, because 105666064995 - 2¹⁴ = 105666048611 is a prime.

It is a super-2 number, since 2×105666064995² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426089 + ... + 2469258.

It is an arithmetic number, because the mean of its divisors is an integer number (10573951680).

Almost surely, 2^105666064995 is an apocalyptic number.

105666064995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105666064995 is a deficient number, since it is larger than the sum of its proper divisors (63517161885).

105666064995 is a wasteful number, since it uses less digits than its factorization.

105666064995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896794.

The product of its (nonzero) digits is 10497600, while the sum is 57.

The spelling of 105666064995 in words is "one hundred five billion, six hundred sixty-six million, sixty-four thousand, nine hundred ninety-five".