1601066541 has 8 divisors (see below), whose sum is σ = 2135057184. Its totient is φ = 1067226800.

The previous prime is 1601066527. The next prime is 1601066549. The reversal of 1601066541 is 1456601061.

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

It is a cyclic number.

It is not a de Polignac number, because 1601066541 - 2⁷ = 1601066413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1601066499 and 1601066508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601066549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10071 + ... + 57476.

It is an arithmetic number, because the mean of its divisors is an integer number (266882148).

Almost surely, 2^1601066541 is an apocalyptic number.

It is an amenable number.

1601066541 is a deficient number, since it is larger than the sum of its proper divisors (533990643).

1601066541 is an equidigital number, since it uses as much as digits as its factorization.

1601066541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75451.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1601066541 is about 40013.3295415415. The cubic root of 1601066541 is about 1169.8669196286.

The spelling of 1601066541 in words is "one billion, six hundred one million, sixty-six thousand, five hundred forty-one".