662104421 has 8 divisors (see below), whose sum is σ = 723016800. Its totient is φ = 601312240.

The previous prime is 662104409. The next prime is 662104447. The reversal of 662104421 is 124401266.

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

It is a cyclic number.

It is not a de Polignac number, because 662104421 - 2⁶ = 662104357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662104021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18326 + ... + 40743.

It is an arithmetic number, because the mean of its divisors is an integer number (90377100).

Almost surely, 2^662104421 is an apocalyptic number.

It is an amenable number.

662104421 is a deficient number, since it is larger than the sum of its proper divisors (60912379).

662104421 is a wasteful number, since it uses less digits than its factorization.

662104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60099.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 662104421 is about 25731.3897992316. The cubic root of 662104421 is about 871.5831573354.

Adding to 662104421 its reverse (124401266), we get a palindrome (786505687).

The spelling of 662104421 in words is "six hundred sixty-two million, one hundred four thousand, four hundred twenty-one".