16665022037 has 16 divisors (see below), whose sum is σ = 18126893760. Its totient is φ = 15266869632.

The previous prime is 16665022027. The next prime is 16665022051. The reversal of 16665022037 is 73022056661.

It is a cyclic number.

It is not a de Polignac number, because 16665022037 - 2²⁶ = 16597913173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16665022007) 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, 41873 + ... + 187305.

It is an arithmetic number, because the mean of its divisors is an integer number (1132930860).

Almost surely, 2^16665022037 is an apocalyptic number.

It is an amenable number.

16665022037 is a deficient number, since it is larger than the sum of its proper divisors (1461871723).

16665022037 is a wasteful number, since it uses less digits than its factorization.

16665022037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145652.

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 16665022037 its reverse (73022056661), we get a palindrome (89687078698).

The spelling of 16665022037 in words is "sixteen billion, six hundred sixty-five million, twenty-two thousand, thirty-seven".