801606672155 has 8 divisors (see below), whose sum is σ = 961954602000. Its totient is φ = 641267607456.

The previous prime is 801606672121. The next prime is 801606672193. The reversal of 801606672155 is 551276606108.

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 801606672155 - 2¹⁴ = 801606655771 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015705 + ... + 2380394.

It is an arithmetic number, because the mean of its divisors is an integer number (120244325250).

Almost surely, 2^801606672155 is an apocalyptic number.

801606672155 is a deficient number, since it is larger than the sum of its proper divisors (160347929845).

801606672155 is a wasteful number, since it uses less digits than its factorization.

801606672155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432573.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 801606672155 in words is "eight hundred one billion, six hundred six million, six hundred seventy-two thousand, one hundred fifty-five".