806149851 has 8 divisors (see below), whose sum is σ = 1157548560. Its totient is φ = 496092192.

The previous prime is 806149847. The next prime is 806149871. The reversal of 806149851 is 158941608.

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

It is not a de Polignac number, because 806149851 - 2² = 806149847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806149811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10335216 + ... + 10335293.

It is an arithmetic number, because the mean of its divisors is an integer number (144693570).

Almost surely, 2^806149851 is an apocalyptic number.

806149851 is a deficient number, since it is larger than the sum of its proper divisors (351398709).

806149851 is a wasteful number, since it uses less digits than its factorization.

806149851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20670525.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 806149851 is about 28392.7781486772. The cubic root of 806149851 is about 930.6904538497.

The spelling of 806149851 in words is "eight hundred six million, one hundred forty-nine thousand, eight hundred fifty-one".