105156666 has 24 divisors (see below), whose sum is σ = 229163220. Its totient is φ = 34848576.

The previous prime is 105156661. The next prime is 105156671. The reversal of 105156666 is 666651501.

It is an interprime number because it is at equal distance from previous prime (105156661) and next prime (105156671).

It can be written as a sum of positive squares in 2 ways, for example, as 86881041 + 18275625 = 9321^2 + 4275^2 .

It is a super-2 number, since 2×105156666² = 22115848808471112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105156666.

It is not an unprimeable number, because it can be changed into a prime (105156661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13771 + ... + 19998.

Almost surely, 2^105156666 is an apocalyptic number.

105156666 is an abundant number, since it is smaller than the sum of its proper divisors (124006554).

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

105156666 is a wasteful number, since it uses less digits than its factorization.

105156666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33950 (or 33947 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 105156666 is about 10254.5924346119. The cubic root of 105156666 is about 472.0039170651.

The spelling of 105156666 in words is "one hundred five million, one hundred fifty-six thousand, six hundred sixty-six".