818612801 has 8 divisors (see below), whose sum is σ = 838057440. Its totient is φ = 799186752.

The previous prime is 818612797. The next prime is 818612819. The reversal of 818612801 is 108216818.

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

It is a cyclic number.

It is not a de Polignac number, because 818612801 - 2² = 818612797 is a prime.

It is a super-2 number, since 2×818612801² = 1340253835922131202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818615801) 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 7 ways as a sum of consecutive naturals, for example, 129746 + ... + 135908.

It is an arithmetic number, because the mean of its divisors is an integer number (104757180).

Almost surely, 2^818612801 is an apocalyptic number.

It is an amenable number.

818612801 is a deficient number, since it is larger than the sum of its proper divisors (19444639).

818612801 is a wasteful number, since it uses less digits than its factorization.

818612801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 6144, while the sum is 35.

The square root of 818612801 is about 28611.4103287482. The cubic root of 818612801 is about 935.4620576478.

The spelling of 818612801 in words is "eight hundred eighteen million, six hundred twelve thousand, eight hundred one".