164245221160 has 64 divisors (see below), whose sum is σ = 371633558400. Its totient is φ = 65328719616.

The previous prime is 164245221097. The next prime is 164245221167. The reversal of 164245221160 is 61122542461.

It is not an unprimeable number, because it can be changed into a prime (164245221167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7527787 + ... + 7549573.

It is an arithmetic number, because the mean of its divisors is an integer number (5806774350).

Almost surely, 2^164245221160 is an apocalyptic number.

164245221160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164245221160 is an abundant number, since it is smaller than the sum of its proper divisors (207388337240).

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

164245221160 is a wasteful number, since it uses less digits than its factorization.

164245221160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22850 (or 22846 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 164245221160 in words is "one hundred sixty-four billion, two hundred forty-five million, two hundred twenty-one thousand, one hundred sixty".