2001610612616 has 16 divisors (see below), whose sum is σ = 3753039052800. Its totient is φ = 1000800198544.

The previous prime is 2001610612553. The next prime is 2001610612627. The reversal of 2001610612616 is 6162160161002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415801 + ... + 2451063.

It is an arithmetic number, because the mean of its divisors is an integer number (234564940800).

Almost surely, 2^{2001610612616} is an apocalyptic number.

It is an amenable number.

2001610612616 is a deficient number, since it is larger than the sum of its proper divisors (1751428440184).

2001610612616 is a wasteful number, since it uses less digits than its factorization.

2001610612616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276948 (or 1276944 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 2001610612616 its reverse (6162160161002), we get a palindrome (8163770773618).

The spelling of 2001610612616 in words is "two trillion, one billion, six hundred ten million, six hundred twelve thousand, six hundred sixteen".