60400666 has 8 divisors (see below), whose sum is σ = 90726804. Its totient is φ = 30158400.

The previous prime is 60400663. The next prime is 60400709. The reversal of 60400666 is 66600406.

It can be written as a sum of positive squares in 2 ways, for example, as 45846441 + 14554225 = 6771^2 + 3815^2 .

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

It is not an unprimeable number, because it can be changed into a prime (60400661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19135 + ... + 22066.

Almost surely, 2^60400666 is an apocalyptic number.

60400666 is a deficient number, since it is larger than the sum of its proper divisors (30326138).

60400666 is a wasteful number, since it uses less digits than its factorization.

60400666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41936.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 60400666 is about 7771.7865384994. The cubic root of 60400666 is about 392.3562506579.

The spelling of 60400666 in words is "sixty million, four hundred thousand, six hundred sixty-six".