164245020340620 has 24 divisors (see below), whose sum is σ = 459886056953904. Its totient is φ = 43798672090816.

The previous prime is 164245020340571. The next prime is 164245020340657. The reversal of 164245020340620 is 26043020542461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368708502779 + ... + 1368708502898.

It is an arithmetic number, because the mean of its divisors is an integer number (19161919039746).

Almost surely, 2^{164245020340620} is an apocalyptic number.

164245020340620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164245020340620 is an abundant number, since it is smaller than the sum of its proper divisors (295641036613284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164245020340620 is a wasteful number, since it uses less digits than its factorization.

164245020340620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737417005689 (or 2737417005687 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 164245020340620 in words is "one hundred sixty-four trillion, two hundred forty-five billion, twenty million, three hundred forty thousand, six hundred twenty".