16033642154 has 4 divisors (see below), whose sum is σ = 24050463234. Its totient is φ = 8016821076.

The previous prime is 16033642151. The next prime is 16033642159. The reversal of 16033642154 is 45124633061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45124633061 = 89 ⋅507018349.

It can be written as a sum of positive squares in only one way, i.e., 16021230625 + 12411529 = 126575^2 + 3523^2 .

It is not an unprimeable number, because it can be changed into a prime (16033642151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4008410537 + ... + 4008410540.

Almost surely, 2^16033642154 is an apocalyptic number.

16033642154 is a deficient number, since it is larger than the sum of its proper divisors (8016821080).

16033642154 is an equidigital number, since it uses as much as digits as its factorization.

16033642154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016821079.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 16033642154 in words is "sixteen billion, thirty-three million, six hundred forty-two thousand, one hundred fifty-four".