102166747 has 8 divisors (see below), whose sum is σ = 102920400. Its totient is φ = 101416224.

The previous prime is 102166699. The next prime is 102166777. The reversal of 102166747 is 747661201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102166747 - 2⁷ = 102166619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102166777) 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, 150573 + ... + 151249.

It is an arithmetic number, because the mean of its divisors is an integer number (12865050).

Almost surely, 2^102166747 is an apocalyptic number.

102166747 is a deficient number, since it is larger than the sum of its proper divisors (753653).

102166747 is an equidigital number, since it uses as much as digits as its factorization.

102166747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 102166747 is about 10107.7567738841. The cubic root of 102166747 is about 467.4873410167.

The spelling of 102166747 in words is "one hundred two million, one hundred sixty-six thousand, seven hundred forty-seven".