1016501001 has 16 divisors (see below), whose sum is σ = 1364808960. Its totient is φ = 672946560.

The previous prime is 1016500999. The next prime is 1016501041. The reversal of 1016501001 is 1001056101.

It is not a de Polignac number, because 1016501001 - 2¹ = 1016500999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1016501041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294381 + ... + 297813.

It is an arithmetic number, because the mean of its divisors is an integer number (85300560).

Almost surely, 2^1016501001 is an apocalyptic number.

It is an amenable number.

1016501001 is a deficient number, since it is larger than the sum of its proper divisors (348307959).

1016501001 is a wasteful number, since it uses less digits than its factorization.

1016501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1016501001 is about 31882.6128320751. The cubic root of 1016501001 is about 1005.4703543239.

Adding to 1016501001 its reverse (1001056101), we get a palindrome (2017557102).

Subtracting from 1016501001 its reverse (1001056101), we obtain a square (15444900 = 3930²).

The spelling of 1016501001 in words is "one billion, sixteen million, five hundred one thousand, one".