320667260986 has 16 divisors (see below), whose sum is σ = 509317484904. Its totient is φ = 150895596544.

The previous prime is 320667260957. The next prime is 320667260989. The reversal of 320667260986 is 689062766023.

It can be written as a sum of positive squares in 4 ways, for example, as 270627807961 + 50039453025 = 520219^2 + 223695^2 .

It is not an unprimeable number, because it can be changed into a prime (320667260989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624276 + ... + 1015408.

Almost surely, 2^320667260986 is an apocalyptic number.

320667260986 is a deficient number, since it is larger than the sum of its proper divisors (188650223918).

320667260986 is a wasteful number, since it uses less digits than its factorization.

320667260986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415265.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 320667260986 in words is "three hundred twenty billion, six hundred sixty-seven million, two hundred sixty thousand, nine hundred eighty-six".