2001516011206 has 16 divisors (see below), whose sum is σ = 3016865464704. Its totient is φ = 995897548224.

The previous prime is 2001516011113. The next prime is 2001516011207. The reversal of 2001516011206 is 6021106151002.

It is a happy number.

It is a super-2 number, since 2×2001516011206² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001516011207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355746 + ... + 2032138.

It is an arithmetic number, because the mean of its divisors is an integer number (188554091544).

Almost surely, 2^{2001516011206} is an apocalyptic number.

2001516011206 is a deficient number, since it is larger than the sum of its proper divisors (1015349453498).

2001516011206 is a wasteful number, since it uses less digits than its factorization.

2001516011206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679295.

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

The spelling of 2001516011206 in words is "two trillion, one billion, five hundred sixteen million, eleven thousand, two hundred six".