16064243 has 4 divisors (see below), whose sum is σ = 17299968. Its totient is φ = 14828520.

The previous prime is 16064239. The next prime is 16064249. The reversal of 16064243 is 34246061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34246061 = 379 ⋅90359.

It is a cyclic number.

It is not a de Polignac number, because 16064243 - 2² = 16064239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16064249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617843 + ... + 617868.

It is an arithmetic number, because the mean of its divisors is an integer number (4324992).

Almost surely, 2^16064243 is an apocalyptic number.

16064243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16064243 is a deficient number, since it is larger than the sum of its proper divisors (1235725).

16064243 is a wasteful number, since it uses less digits than its factorization.

16064243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235724.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 16064243 is about 4008.0223302771. The cubic root of 16064243 is about 252.3210142197.

The spelling of 16064243 in words is "sixteen million, sixty-four thousand, two hundred forty-three".