320421651026177 has 8 divisors (see below), whose sum is σ = 331297405658880. Its totient is φ = 309579619664880.

The previous prime is 320421651026171. The next prime is 320421651026209. The reversal of 320421651026177 is 771620156124023.

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 320421651026177 - 2¹⁶ = 320421650960641 is a prime.

It is a super-2 number, since 2×320421651026177² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320421651026171) 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, 8430798527 + ... + 8430836532.

It is an arithmetic number, because the mean of its divisors is an integer number (41412175707360).

Almost surely, 2^{320421651026177} is an apocalyptic number.

It is an amenable number.

320421651026177 is a deficient number, since it is larger than the sum of its proper divisors (10875754632703).

320421651026177 is a wasteful number, since it uses less digits than its factorization.

320421651026177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861635703.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 320421651026177 in words is "three hundred twenty trillion, four hundred twenty-one billion, six hundred fifty-one million, twenty-six thousand, one hundred seventy-seven".