102666365 has 16 divisors (see below), whose sum is σ = 129368448. Its totient is φ = 78065856.

The previous prime is 102666359. The next prime is 102666391. The reversal of 102666365 is 563666201.

It is a cyclic number.

It is not a de Polignac number, because 102666365 - 2¹⁶ = 102600829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16007 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (8085528).

Almost surely, 2^102666365 is an apocalyptic number.

It is an amenable number.

102666365 is a deficient number, since it is larger than the sum of its proper divisors (26702083).

102666365 is a wasteful number, since it uses less digits than its factorization.

102666365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 102666365 is about 10132.4412162124. The cubic root of 102666365 is about 468.2481410482.

The spelling of 102666365 in words is "one hundred two million, six hundred sixty-six thousand, three hundred sixty-five".