667377332153607 has 32 divisors (see below), whose sum is σ = 937168897167360. Its totient is φ = 421613201813760.

The previous prime is 667377332153591. The next prime is 667377332153629. The reversal of 667377332153607 is 706351233773766.

It is not a de Polignac number, because 667377332153607 - 2⁴ = 667377332153591 is a prime.

It is a super-2 number, since 2×667377332153607² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667377332152607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50333898 + ... + 62195304.

It is an arithmetic number, because the mean of its divisors is an integer number (29286528036480).

Almost surely, 2^{667377332153607} is an apocalyptic number.

667377332153607 is a deficient number, since it is larger than the sum of its proper divisors (269791565013753).

667377332153607 is a wasteful number, since it uses less digits than its factorization.

667377332153607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11869023.

The product of its (nonzero) digits is 420078960, while the sum is 66.

The spelling of 667377332153607 in words is "six hundred sixty-seven trillion, three hundred seventy-seven billion, three hundred thirty-two million, one hundred fifty-three thousand, six hundred seven".