1016212165 has 8 divisors (see below), whose sum is σ = 1240123680. Its totient is φ = 799190352.

The previous prime is 1016212157. The next prime is 1016212187. The reversal of 1016212165 is 5612126101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1016212165 - 2³ = 1016212157 is a prime.

It is a congruent number.

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, 1722099 + ... + 1722688.

It is an arithmetic number, because the mean of its divisors is an integer number (155015460).

Almost surely, 2^1016212165 is an apocalyptic number.

It is an amenable number.

1016212165 is a deficient number, since it is larger than the sum of its proper divisors (223911515).

1016212165 is an equidigital number, since it uses as much as digits as its factorization.

1016212165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444851.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1016212165 is about 31878.0828313122. The cubic root of 1016212165 is about 1005.3751114117.

Adding to 1016212165 its reverse (5612126101), we get a palindrome (6628338266).

The spelling of 1016212165 in words is "one billion, sixteen million, two hundred twelve thousand, one hundred sixty-five".