1664112526 has 8 divisors (see below), whose sum is σ = 2530363104. Its totient is φ = 820658160.

The previous prime is 1664112517. The next prime is 1664112529. The reversal of 1664112526 is 6252114661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1664112491 and 1664112500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664112529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5698870 + ... + 5699161.

It is an arithmetic number, because the mean of its divisors is an integer number (316295388).

Almost surely, 2^1664112526 is an apocalyptic number.

1664112526 is a deficient number, since it is larger than the sum of its proper divisors (866250578).

1664112526 is a wasteful number, since it uses less digits than its factorization.

1664112526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398106.

The product of its digits is 17280, while the sum is 34.

The square root of 1664112526 is about 40793.5353456893. The cubic root of 1664112526 is about 1185.0251381257.

The spelling of 1664112526 in words is "one billion, six hundred sixty-four million, one hundred twelve thousand, five hundred twenty-six".