105251966 has 4 divisors (see below), whose sum is σ = 157877952. Its totient is φ = 52625982.

The previous prime is 105251959. The next prime is 105251969. The reversal of 105251966 is 669152501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105251966² = 22155952693730312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105251969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26312990 + ... + 26312993.

It is an arithmetic number, because the mean of its divisors is an integer number (39469488).

Almost surely, 2^105251966 is an apocalyptic number.

105251966 is a deficient number, since it is larger than the sum of its proper divisors (52625986).

105251966 is an equidigital number, since it uses as much as digits as its factorization.

105251966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52625985.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 105251966 is about 10259.2380808713. The cubic root of 105251966 is about 472.1464611798.

The spelling of 105251966 in words is "one hundred five million, two hundred fifty-one thousand, nine hundred sixty-six".