6667939937051 has 16 divisors (see below), whose sum is σ = 7145554148928. Its totient is φ = 6200169830400.

The previous prime is 6667939937003. The next prime is 6667939937059. The reversal of 6667939937051 is 1507399397666.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6667939937051 is a prime.

It is a super-2 number, since 2×6667939937051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6667939937059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4983080 + ... + 6177941.

It is an arithmetic number, because the mean of its divisors is an integer number (446597134308).

Almost surely, 2^{6667939937051} is an apocalyptic number.

6667939937051 is a deficient number, since it is larger than the sum of its proper divisors (477614211877).

6667939937051 is a wasteful number, since it uses less digits than its factorization.

6667939937051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161462.

The product of its (nonzero) digits is 347208120, while the sum is 71.

The spelling of 6667939937051 in words is "six trillion, six hundred sixty-seven billion, nine hundred thirty-nine million, nine hundred thirty-seven thousand, fifty-one".