16061001 has 8 divisors (see below), whose sum is σ = 23361504. Its totient is φ = 9733920.

The previous prime is 16060991. The next prime is 16061009. The reversal of 16061001 is 10016061.

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

It is not a de Polignac number, because 16061001 - 2¹⁷ = 15929929 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16061009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243316 + ... + 243381.

It is an arithmetic number, because the mean of its divisors is an integer number (2920188).

Almost surely, 2^16061001 is an apocalyptic number.

16061001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16061001 is a deficient number, since it is larger than the sum of its proper divisors (7300503).

16061001 is a wasteful number, since it uses less digits than its factorization.

16061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486711.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 16061001 is about 4007.6178710052. The cubic root of 16061001 is about 252.3040390498.

Adding to 16061001 its reverse (10016061), we get a palindrome (26077062).

The spelling of 16061001 in words is "sixteen million, sixty-one thousand, one".