16320315655 has 8 divisors (see below), whose sum is σ = 22382147232. Its totient is φ = 11191073568.

The previous prime is 16320315631. The next prime is 16320315659. The reversal of 16320315655 is 55651302361.

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 16320315655 - 2⁷ = 16320315527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320315659) 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, 233147332 + ... + 233147401.

It is an arithmetic number, because the mean of its divisors is an integer number (2797768404).

Almost surely, 2^16320315655 is an apocalyptic number.

16320315655 is a deficient number, since it is larger than the sum of its proper divisors (6061831577).

16320315655 is an equidigital number, since it uses as much as digits as its factorization.

16320315655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466294745.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 16320315655 in words is "sixteen billion, three hundred twenty million, three hundred fifteen thousand, six hundred fifty-five".