106647766 has 16 divisors (see below), whose sum is σ = 172580544. Its totient is φ = 49239424.

The previous prime is 106647763. The next prime is 106647767. The reversal of 106647766 is 667746601.

106647766 = 1421² + 1422² + ... + 1471².

It is a super-2 number, since 2×106647766² = 22747491985581512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106647763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27790 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (10786284).

Almost surely, 2^106647766 is an apocalyptic number.

106647766 is a deficient number, since it is larger than the sum of its proper divisors (65932778).

106647766 is a wasteful number, since it uses less digits than its factorization.

106647766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59255.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 106647766 is about 10327.0405247583. The cubic root of 106647766 is about 474.2244274212.

The spelling of 106647766 in words is "one hundred six million, six hundred forty-seven thousand, seven hundred sixty-six".