452016681 has 16 divisors (see below), whose sum is σ = 607996800. Its totient is φ = 298699520.

The previous prime is 452016661. The next prime is 452016683. The reversal of 452016681 is 186610254.

It is a cyclic number.

It is not a de Polignac number, because 452016681 - 2²¹ = 449919529 is a prime.

It is a super-2 number, since 2×452016681² = 408638159804511522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (452016683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331441 + ... + 332801.

It is an arithmetic number, because the mean of its divisors is an integer number (37999800).

Almost surely, 2^452016681 is an apocalyptic number.

It is an amenable number.

452016681 is a deficient number, since it is larger than the sum of its proper divisors (155980119).

452016681 is a wasteful number, since it uses less digits than its factorization.

452016681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 452016681 is about 21260.6839259700. The cubic root of 452016681 is about 767.4524685592.

The spelling of 452016681 in words is "four hundred fifty-two million, sixteen thousand, six hundred eighty-one".