16801451 has 4 divisors (see below), whose sum is σ = 16967904. Its totient is φ = 16635000.

The previous prime is 16801439. The next prime is 16801493. The reversal of 16801451 is 15410861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16801451 - 2⁶ = 16801387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16801451.

It is not an unprimeable number, because it can be changed into a prime (16801651) 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 3 ways as a sum of consecutive naturals, for example, 83075 + ... + 83276.

It is an arithmetic number, because the mean of its divisors is an integer number (4241976).

Almost surely, 2^16801451 is an apocalyptic number.

16801451 is a deficient number, since it is larger than the sum of its proper divisors (166453).

16801451 is a wasteful number, since it uses less digits than its factorization.

16801451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166452.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 16801451 is about 4098.9573064378. The cubic root of 16801451 is about 256.1232062788.

The spelling of 16801451 in words is "sixteen million, eight hundred one thousand, four hundred fifty-one".