1016216001 has 12 divisors (see below), whose sum is σ = 1489776912. Its totient is φ = 667365336.

The previous prime is 1016215997. The next prime is 1016216039. The reversal of 1016216001 is 1006126101.

1016216001 is a `hidden beast` number, since 1 + 0 + 1 + 62 + 1 + 600 + 1 = 666.

It is not a de Polignac number, because 1016216001 - 2² = 1016215997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016216101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842031 + ... + 843236.

It is an arithmetic number, because the mean of its divisors is an integer number (124148076).

Almost surely, 2^1016216001 is an apocalyptic number.

It is an amenable number.

1016216001 is a deficient number, since it is larger than the sum of its proper divisors (473560911).

1016216001 is a wasteful number, since it uses less digits than its factorization.

1016216001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685340 (or 1685337 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1016216001 is about 31878.1429979853. The cubic root of 1016216001 is about 1005.3763764409.

The spelling of 1016216001 in words is "one billion, sixteen million, two hundred sixteen thousand, one".