101253666 has 32 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 31598336.

The previous prime is 101253643. The next prime is 101253707. The reversal of 101253666 is 666352101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17575 + ... + 22613.

It is an arithmetic number, because the mean of its divisors is an integer number (6735960).

Almost surely, 2^101253666 is an apocalyptic number.

101253666 is an abundant number, since it is smaller than the sum of its proper divisors (114297054).

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

101253666 is a wasteful number, since it uses less digits than its factorization.

101253666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 101253666 is about 10062.4880621047. The cubic root of 101253666 is about 466.0905010669.

The spelling of 101253666 in words is "one hundred one million, two hundred fifty-three thousand, six hundred sixty-six".