1601066542 has 8 divisors (see below), whose sum is σ = 2419933032. Its totient is φ = 794422200.

The previous prime is 1601066527. The next prime is 1601066549. The reversal of 1601066542 is 2456601061.

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

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 3 ways as a sum of consecutive naturals, for example, 3055209 + ... + 3055732.

It is an arithmetic number, because the mean of its divisors is an integer number (302491629).

Almost surely, 2^1601066542 is an apocalyptic number.

1601066542 is a deficient number, since it is larger than the sum of its proper divisors (818866490).

1601066542 is a wasteful number, since it uses less digits than its factorization.

1601066542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111074.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1601066542 is about 40013.3295540374. The cubic root of 1601066542 is about 1169.8669198722.

The spelling of 1601066542 in words is "one billion, six hundred one million, sixty-six thousand, five hundred forty-two".