320154410453651 has 2 divisors, whose sum is σ = 320154410453652. Its totient is φ = 320154410453650.

The previous prime is 320154410453627. The next prime is 320154410453699. The reversal of 320154410453651 is 156354014451023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320154410453651 is a prime.

It is not a weakly prime, because it can be changed into another prime (320154410452651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160077205226825 + 160077205226826.

It is an arithmetic number, because the mean of its divisors is an integer number (160077205226826).

Almost surely, 2^{320154410453651} is an apocalyptic number.

320154410453651 is a deficient number, since it is larger than the sum of its proper divisors (1).

320154410453651 is an equidigital number, since it uses as much as digits as its factorization.

320154410453651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 320154410453651 in words is "three hundred twenty trillion, one hundred fifty-four billion, four hundred ten million, four hundred fifty-three thousand, six hundred fifty-one".