320164553464642 has 8 divisors (see below), whose sum is σ = 480247041268800. Its totient is φ = 160082206375044.

The previous prime is 320164553464619. The next prime is 320164553464759. The reversal of 320164553464642 is 246464355461023.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29293542 + ... + 38709697.

It is an arithmetic number, because the mean of its divisors is an integer number (60030880158600).

Almost surely, 2^{320164553464642} is an apocalyptic number.

320164553464642 is a deficient number, since it is larger than the sum of its proper divisors (160082487804158).

320164553464642 is a wasteful number, since it uses less digits than its factorization.

320164553464642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70357280.

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 320164553464642 in words is "three hundred twenty trillion, one hundred sixty-four billion, five hundred fifty-three million, four hundred sixty-four thousand, six hundred forty-two".