7356666537 has 48 divisors (see below), whose sum is σ = 12205952640. Its totient is φ = 4374358560.

The previous prime is 7356666533. The next prime is 7356666539.

It is a happy number.

7356666537 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7356666537 - 2² = 7356666533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7356666533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151908 + ... + 194394.

It is an arithmetic number, because the mean of its divisors is an integer number (254290680).

Almost surely, 2^7356666537 is an apocalyptic number.

It is an amenable number.

7356666537 is a deficient number, since it is larger than the sum of its proper divisors (4849286103).

7356666537 is a wasteful number, since it uses less digits than its factorization.

7356666537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42571 (or 42554 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 54.

The square root of 7356666537 is about 85771.0122185812. The cubic root of 7356666537 is about 1944.8839406212.

The spelling of 7356666537 in words is "seven billion, three hundred fifty-six million, six hundred sixty-six thousand, five hundred thirty-seven".