667545023702 has 8 divisors (see below), whose sum is σ = 1033618101312. Its totient is φ = 323005656600.

The previous prime is 667545023597. The next prime is 667545023737. The reversal of 667545023702 is 207320545766.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5383427549 + ... + 5383427672.

It is an arithmetic number, because the mean of its divisors is an integer number (129202262664).

Almost surely, 2^667545023702 is an apocalyptic number.

667545023702 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

667545023702 is a deficient number, since it is larger than the sum of its proper divisors (366073077610).

667545023702 is a wasteful number, since it uses less digits than its factorization.

667545023702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10766855254.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 667545023702 in words is "six hundred sixty-seven billion, five hundred forty-five million, twenty-three thousand, seven hundred two".