165868087106 has 8 divisors (see below), whose sum is σ = 248806540944. Its totient is φ = 82932573460.

The previous prime is 165868087013. The next prime is 165868087127. The reversal of 165868087106 is 601780868561.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588140 + ... + 823191.

It is an arithmetic number, because the mean of its divisors is an integer number (31100817618).

Almost surely, 2^165868087106 is an apocalyptic number.

165868087106 is a deficient number, since it is larger than the sum of its proper divisors (82938453838).

165868087106 is a wasteful number, since it uses less digits than its factorization.

165868087106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470096.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 165868087106 in words is "one hundred sixty-five billion, eight hundred sixty-eight million, eighty-seven thousand, one hundred six".