101299666 has 8 divisors (see below), whose sum is σ = 163637964. Its totient is φ = 46753680.

The previous prime is 101299663. The next prime is 101299687. The reversal of 101299666 is 666992101.

It can be written as a sum of positive squares in 2 ways, for example, as 71825625 + 29474041 = 8475^2 + 5429^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101299663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948045 + ... + 1948096.

Almost surely, 2^101299666 is an apocalyptic number.

101299666 is a deficient number, since it is larger than the sum of its proper divisors (62338298).

101299666 is a wasteful number, since it uses less digits than its factorization.

101299666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896156.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 101299666 is about 10064.7735195582. The cubic root of 101299666 is about 466.1610727242.

The spelling of 101299666 in words is "one hundred one million, two hundred ninety-nine thousand, six hundred sixty-six".