10320646155 has 8 divisors (see below), whose sum is σ = 16513033872. Its totient is φ = 5504344608.

The previous prime is 10320646151. The next prime is 10320646207. The reversal of 10320646155 is 55164602301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10320646155 - 2² = 10320646151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10320646151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344021524 + ... + 344021553.

It is an arithmetic number, because the mean of its divisors is an integer number (2064129234).

Almost surely, 2^10320646155 is an apocalyptic number.

10320646155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10320646155 is a deficient number, since it is larger than the sum of its proper divisors (6192387717).

10320646155 is an equidigital number, since it uses as much as digits as its factorization.

10320646155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688043085.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 10320646155 in words is "ten billion, three hundred twenty million, six hundred forty-six thousand, one hundred fifty-five".