668773150 has 24 divisors (see below), whose sum is σ = 1277541000. Its totient is φ = 260278560.

The previous prime is 668773141. The next prime is 668773169. The reversal of 668773150 is 51377866.

It is a junction number, because it is equal to n+sod(n) for n = 668773097 and 668773106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178900 + ... + 182599.

It is an arithmetic number, because the mean of its divisors is an integer number (53230875).

Almost surely, 2^668773150 is an apocalyptic number.

668773150 is a deficient number, since it is larger than the sum of its proper divisors (608767850).

668773150 is a wasteful number, since it uses less digits than its factorization.

668773150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361548 (or 361543 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 668773150 is about 25860.6486770924. The cubic root of 668773150 is about 874.4995887000.

The spelling of 668773150 in words is "six hundred sixty-eight million, seven hundred seventy-three thousand, one hundred fifty".