2606606000646 has 16 divisors (see below), whose sum is σ = 5254260916224. Its totient is φ = 862027181064.

The previous prime is 2606606000641. The next prime is 2606606000653. The reversal of 2606606000646 is 6460006066062.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2606606000598 and 2606606000607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606606000641) 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, 1710370630 + ... + 1710372153.

It is an arithmetic number, because the mean of its divisors is an integer number (328391307264).

Almost surely, 2^{2606606000646} is an apocalyptic number.

2606606000646 is an abundant number, since it is smaller than the sum of its proper divisors (2647654915578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2606606000646 is a wasteful number, since it uses less digits than its factorization.

2606606000646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420742915.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 2606606000646 in words is "two trillion, six hundred six billion, six hundred six million, six hundred forty-six", and thus it is an aban number.