164845876472 has 32 divisors (see below), whose sum is σ = 324516488400. Its totient is φ = 78392987904.

The previous prime is 164845876411. The next prime is 164845876477. The reversal of 164845876472 is 274678548461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164845876477) 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, 5287013 + ... + 5318100.

Almost surely, 2^164845876472 is an apocalyptic number.

It is an amenable number.

164845876472 is a deficient number, since it is larger than the sum of its proper divisors (159670611928).

164845876472 is a wasteful number, since it uses less digits than its factorization.

164845876472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605215 (or 10605211 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 62.

The spelling of 164845876472 in words is "one hundred sixty-four billion, eight hundred forty-five million, eight hundred seventy-six thousand, four hundred seventy-two".