102660093 has 24 divisors (see below), whose sum is σ = 157400568. Its totient is φ = 64253952.

The previous prime is 102660091. The next prime is 102660101. The reversal of 102660093 is 390066201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37970244 + 64689849 = 6162^2 + 8043^2 .

It is not a de Polignac number, because 102660093 - 2¹ = 102660091 is a prime.

It is a super-3 number, since 3×102660093³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102660091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102471 + ... + 103467.

It is an arithmetic number, because the mean of its divisors is an integer number (6558357).

Almost surely, 2^102660093 is an apocalyptic number.

It is an amenable number.

102660093 is a deficient number, since it is larger than the sum of its proper divisors (54740475).

102660093 is a wasteful number, since it uses less digits than its factorization.

102660093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 102660093 is about 10132.1317105533. The cubic root of 102660093 is about 468.2386055912.

The spelling of 102660093 in words is "one hundred two million, six hundred sixty thousand, ninety-three".