667707100537 has 16 divisors (see below), whose sum is σ = 696858624000. Its totient is φ = 639070272720.

The previous prime is 667707100493. The next prime is 667707100583. The reversal of 667707100537 is 735001707766.

It is a cyclic number.

It is not a de Polignac number, because 667707100537 - 2¹⁹ = 667706576249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667707100237) 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, 706164 + ... + 1354282.

It is an arithmetic number, because the mean of its divisors is an integer number (43553664000).

Almost surely, 2^667707100537 is an apocalyptic number.

It is an amenable number.

667707100537 is a deficient number, since it is larger than the sum of its proper divisors (29151523463).

667707100537 is a wasteful number, since it uses less digits than its factorization.

667707100537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648516.

The product of its (nonzero) digits is 1296540, while the sum is 49.

The spelling of 667707100537 in words is "six hundred sixty-seven billion, seven hundred seven million, one hundred thousand, five hundred thirty-seven".