801661486 has 16 divisors (see below), whose sum is σ = 1274949936. Its totient is φ = 376742016.

The previous prime is 801661477. The next prime is 801661493. The reversal of 801661486 is 684166108.

801661486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×801661486² = 1285322276271456392, which contains 22 as substring.

It is a congruent number.

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, 10165 + ... + 41311.

It is an arithmetic number, because the mean of its divisors is an integer number (79684371).

Almost surely, 2^801661486 is an apocalyptic number.

801661486 is a deficient number, since it is larger than the sum of its proper divisors (473288450).

801661486 is a wasteful number, since it uses less digits than its factorization.

801661486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31923.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 801661486 is about 28313.6272137640. The cubic root of 801661486 is about 928.9599835686.

The spelling of 801661486 in words is "eight hundred one million, six hundred sixty-one thousand, four hundred eighty-six".