105620066 has 8 divisors (see below), whose sum is σ = 158784300. Its totient is φ = 52691968.

The previous prime is 105620057. The next prime is 105620087. The reversal of 105620066 is 660026501.

It can be written as a sum of positive squares in 2 ways, for example, as 94497841 + 11122225 = 9721^2 + 3335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105620066² = 22311196683688712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57911 + ... + 59706.

Almost surely, 2^105620066 is an apocalyptic number.

105620066 is a deficient number, since it is larger than the sum of its proper divisors (53164234).

105620066 is a wasteful number, since it uses less digits than its factorization.

105620066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118068.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 105620066 is about 10277.1623515443. The cubic root of 105620066 is about 472.6962368073.

Adding to 105620066 its reverse (660026501), we get a palindrome (765646567).

The spelling of 105620066 in words is "one hundred five million, six hundred twenty thousand, sixty-six".