667400350 has 12 divisors (see below), whose sum is σ = 1241364744. Its totient is φ = 266960120.

The previous prime is 667400347. The next prime is 667400359. The reversal of 667400350 is 53004766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667400359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6673954 + ... + 6674053.

It is an arithmetic number, because the mean of its divisors is an integer number (103447062).

Almost surely, 2^667400350 is an apocalyptic number.

667400350 is a deficient number, since it is larger than the sum of its proper divisors (573964394).

667400350 is a wasteful number, since it uses less digits than its factorization.

667400350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348019 (or 13348014 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 667400350 is about 25834.0927845357. The cubic root of 667400350 is about 873.9008129616.

The spelling of 667400350 in words is "six hundred sixty-seven million, four hundred thousand, three hundred fifty".