117866066 has 16 divisors (see below), whose sum is σ = 187492320. Its totient is φ = 55379520.

The previous prime is 117866051. The next prime is 117866081. The reversal of 117866066 is 660668711.

It is an interprime number because it is at equal distance from previous prime (117866051) and next prime (117866081).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22781 + ... + 27471.

It is an arithmetic number, because the mean of its divisors is an integer number (11718270).

Almost surely, 2^117866066 is an apocalyptic number.

117866066 is a deficient number, since it is larger than the sum of its proper divisors (69626254).

117866066 is a wasteful number, since it uses less digits than its factorization.

117866066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 117866066 is about 10856.6139288454. The cubic root of 117866066 is about 490.3011698443.

The spelling of 117866066 in words is "one hundred seventeen million, eight hundred sixty-six thousand, sixty-six".