2601660284007 has 16 divisors (see below), whose sum is σ = 3566510684160. Its totient is φ = 1685727057312.

The previous prime is 2601660283967. The next prime is 2601660284009. The reversal of 2601660284007 is 7004820661062.

It is not a de Polignac number, because 2601660284007 - 2⁸ = 2601660283751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2601660284007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601660284009) 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, 12650103 + ... + 12854120.

It is an arithmetic number, because the mean of its divisors is an integer number (222906917760).

Almost surely, 2^{2601660284007} is an apocalyptic number.

2601660284007 is a deficient number, since it is larger than the sum of its proper divisors (964850400153).

2601660284007 is a wasteful number, since it uses less digits than its factorization.

2601660284007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505182.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 2601660284007 in words is "two trillion, six hundred one billion, six hundred sixty million, two hundred eighty-four thousand, seven".