801016619 has 4 divisors (see below), whose sum is σ = 862633296. Its totient is φ = 739399944.

The previous prime is 801016603. The next prime is 801016621. The reversal of 801016619 is 916610108.

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 801016619 - 2⁴ = 801016603 is a prime.

It is a super-2 number, since 2×801016619² = 1283255247828382322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801016639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30808319 + ... + 30808344.

It is an arithmetic number, because the mean of its divisors is an integer number (215658324).

Almost surely, 2^801016619 is an apocalyptic number.

801016619 is a deficient number, since it is larger than the sum of its proper divisors (61616677).

801016619 is a wasteful number, since it uses less digits than its factorization.

801016619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61616676.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 801016619 is about 28302.2369963931. The cubic root of 801016619 is about 928.7108275556.

The spelling of 801016619 in words is "eight hundred one million, sixteen thousand, six hundred nineteen".