7391660661937 has 16 divisors (see below), whose sum is σ = 7822055347200. Its totient is φ = 6970360597200.

The previous prime is 7391660661911. The next prime is 7391660661947.

7391660661937 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7391660661937 - 2⁷ = 7391660661809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7391660661947) 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, 36967762 + ... + 37167172.

It is an arithmetic number, because the mean of its divisors is an integer number (488878459200).

Almost surely, 2^{7391660661937} is an apocalyptic number.

It is an amenable number.

7391660661937 is a deficient number, since it is larger than the sum of its proper divisors (430394685263).

7391660661937 is a wasteful number, since it uses less digits than its factorization.

7391660661937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222204.

The product of its (nonzero) digits is 46294416, while the sum is 64.

The spelling of 7391660661937 in words is "seven trillion, three hundred ninety-one billion, six hundred sixty million, six hundred sixty-one thousand, nine hundred thirty-seven".