801016618 has 8 divisors (see below), whose sum is σ = 1201667940. Its totient is φ = 400460640.

The previous prime is 801016603. The next prime is 801016621. The reversal of 801016618 is 816610108.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 502521889 + 298494729 = 22417^2 + 17277^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 801016618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3388 + ... + 40168.

Almost surely, 2^801016618 is an apocalyptic number.

801016618 is a deficient number, since it is larger than the sum of its proper divisors (400651322).

801016618 is a wasteful number, since it uses less digits than its factorization.

801016618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47672.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 801016618 is about 28302.2369787266. The cubic root of 801016618 is about 928.7108271691.

The spelling of 801016618 in words is "eight hundred one million, sixteen thousand, six hundred eighteen".