667125603 has 18 divisors (see below), whose sum is σ = 1007351436. Its totient is φ = 425410392.

The previous prime is 667125553. The next prime is 667125617. The reversal of 667125603 is 306521766.

It is not a de Polignac number, because 667125603 - 2¹⁸ = 666863459 is a prime.

It is a super-2 number, since 2×667125603² = 890113140356227218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667125623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65301 + ... + 74822.

Almost surely, 2^667125603 is an apocalyptic number.

667125603 is a deficient number, since it is larger than the sum of its proper divisors (340225833).

667125603 is a wasteful number, since it uses less digits than its factorization.

667125603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140175 (or 140149 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 667125603 is about 25828.7747096141. The cubic root of 667125603 is about 873.7808776626.

The spelling of 667125603 in words is "six hundred sixty-seven million, one hundred twenty-five thousand, six hundred three".