164043123452 has 96 divisors (see below), whose sum is σ = 318236964864. Its totient is φ = 73525190400.

The previous prime is 164043123443. The next prime is 164043123473. The reversal of 164043123452 is 254321340461.

It is a super-2 number, since 2×164043123452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159110177 + ... + 159111207.

It is an arithmetic number, because the mean of its divisors is an integer number (3314968384).

Almost surely, 2^164043123452 is an apocalyptic number.

It is an amenable number.

164043123452 is a deficient number, since it is larger than the sum of its proper divisors (154193841412).

164043123452 is a wasteful number, since it uses less digits than its factorization.

164043123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 164043123452 in words is "one hundred sixty-four billion, forty-three million, one hundred twenty-three thousand, four hundred fifty-two".