2601541966 has 8 divisors (see below), whose sum is σ = 3924114120. Its totient is φ = 1293503928.

The previous prime is 2601541949. The next prime is 2601542003. The reversal of 2601541966 is 6691451062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3633081 + ... + 3633796.

It is an arithmetic number, because the mean of its divisors is an integer number (490514265).

Almost surely, 2^2601541966 is an apocalyptic number.

2601541966 is a deficient number, since it is larger than the sum of its proper divisors (1322572154).

2601541966 is a wasteful number, since it uses less digits than its factorization.

2601541966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267058.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2601541966 is about 51005.3131154000. The cubic root of 2601541966 is about 1375.3406478971.

The spelling of 2601541966 in words is "two billion, six hundred one million, five hundred forty-one thousand, nine hundred sixty-six".