801332170691 has 32 divisors (see below), whose sum is σ = 910620254208. Its totient is φ = 699940725120.

The previous prime is 801332170651. The next prime is 801332170697. The reversal of 801332170691 is 196071233108.

It is not a de Polignac number, because 801332170691 - 2⁶ = 801332170627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801332170697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20683160 + ... + 20721866.

It is an arithmetic number, because the mean of its divisors is an integer number (28456882944).

Almost surely, 2^801332170691 is an apocalyptic number.

801332170691 is a deficient number, since it is larger than the sum of its proper divisors (109288083517).

801332170691 is a wasteful number, since it uses less digits than its factorization.

801332170691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39891.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 801332170691 in words is "eight hundred one billion, three hundred thirty-two million, one hundred seventy thousand, six hundred ninety-one".