350421432666 has 16 divisors (see below), whose sum is σ = 700962881184. Its totient is φ = 116787141584.

The previous prime is 350421432653. The next prime is 350421432707. The reversal of 350421432666 is 666234124053.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4962681 + ... + 5032796.

It is an arithmetic number, because the mean of its divisors is an integer number (43810180074).

Almost surely, 2^350421432666 is an apocalyptic number.

350421432666 is an abundant number, since it is smaller than the sum of its proper divisors (350541448518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

350421432666 is a wasteful number, since it uses less digits than its factorization.

350421432666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001325.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 350421432666 in words is "three hundred fifty billion, four hundred twenty-one million, four hundred thirty-two thousand, six hundred sixty-six".