667703148157 has 8 divisors (see below), whose sum is σ = 697390421760. Its totient is φ = 638070599760.

The previous prime is 667703148131. The next prime is 667703148173. The reversal of 667703148157 is 751841307766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667703148157 - 2⁷ = 667703148029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667703148098 and 667703148107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667703148197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13656357 + ... + 13705162.

It is an arithmetic number, because the mean of its divisors is an integer number (87173802720).

Almost surely, 2^667703148157 is an apocalyptic number.

It is an amenable number.

667703148157 is a deficient number, since it is larger than the sum of its proper divisors (29687273603).

667703148157 is a wasteful number, since it uses less digits than its factorization.

667703148157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27362603.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 667703148157 in words is "six hundred sixty-seven billion, seven hundred three million, one hundred forty-eight thousand, one hundred fifty-seven".