1666670000037 has 16 divisors (see below), whose sum is σ = 2581321844352. Its totient is φ = 936770022720.

The previous prime is 1666670000027. The next prime is 1666670000137. The reversal of 1666670000037 is 7300000766661.

It is not a de Polignac number, because 1666670000037 - 2⁷ = 1666669999909 is a prime.

It is a super-4 number, since 4×1666670000037⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666670000027) 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, 650533458 + ... + 650536019.

It is an arithmetic number, because the mean of its divisors is an integer number (161332615272).

Almost surely, 2^{1666670000037} is an apocalyptic number.

It is an amenable number.

1666670000037 is a deficient number, since it is larger than the sum of its proper divisors (914651844315).

1666670000037 is a wasteful number, since it uses less digits than its factorization.

1666670000037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301069548.

The product of its (nonzero) digits is 190512, while the sum is 42.

Adding to 1666670000037 its reverse (7300000766661), we get a palindrome (8966670766698).

The spelling of 1666670000037 in words is "one trillion, six hundred sixty-six billion, six hundred seventy million, thirty-seven", and thus it is an aban number.