801601768906 has 16 divisors (see below), whose sum is σ = 1254990585024. Its totient is φ = 383280172704.

The previous prime is 801601768879. The next prime is 801601768909. The reversal of 801601768906 is 609867106108.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (801601768909) 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 7 ways as a sum of consecutive naturals, for example, 1961040 + ... + 2334283.

It is an arithmetic number, because the mean of its divisors is an integer number (78436911564).

Almost surely, 2^801601768906 is an apocalyptic number.

801601768906 is a deficient number, since it is larger than the sum of its proper divisors (453388816118).

801601768906 is a wasteful number, since it uses less digits than its factorization.

801601768906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299405.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 801601768906 in words is "eight hundred one billion, six hundred one million, seven hundred sixty-eight thousand, nine hundred six".