2660200642446 has 16 divisors (see below), whose sum is σ = 5320485537024. Its totient is φ = 886719505464.

The previous prime is 2660200642433. The next prime is 2660200642453. The reversal of 2660200642446 is 6442460020662.

It is a super-2 number, since 2×2660200642446² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2660200642398 and 2660200642407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096280 + ... + 3861003.

It is an arithmetic number, because the mean of its divisors is an integer number (332530346064).

Almost surely, 2^{2660200642446} is an apocalyptic number.

2660200642446 is an abundant number, since it is smaller than the sum of its proper divisors (2660284894578).

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

2660200642446 is a wasteful number, since it uses less digits than its factorization.

2660200642446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021015.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 2660200642446 in words is "two trillion, six hundred sixty billion, two hundred million, six hundred forty-two thousand, four hundred forty-six".