102665516 has 18 divisors (see below), whose sum is σ = 190856988. Its totient is φ = 48312640.

The previous prime is 102665513. The next prime is 102665561. The reversal of 102665516 is 615566201.

It is not an unprimeable number, because it can be changed into a prime (102665513) 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 5 ways as a sum of consecutive naturals, for example, 43250 + ... + 45561.

It is an arithmetic number, because the mean of its divisors is an integer number (10603166).

Almost surely, 2^102665516 is an apocalyptic number.

It is an amenable number.

102665516 is a deficient number, since it is larger than the sum of its proper divisors (88191472).

102665516 is a wasteful number, since it uses less digits than its factorization.

102665516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88849 (or 88830 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 102665516 is about 10132.3993209901. The cubic root of 102665516 is about 468.2468503179.

The spelling of 102665516 in words is "one hundred two million, six hundred sixty-five thousand, five hundred sixteen".