641604103 has 8 divisors (see below), whose sum is σ = 771854720. Its totient is φ = 521001720.

The previous prime is 641604101. The next prime is 641604107. The reversal of 641604103 is 301406146.

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 641604103 - 2¹ = 641604101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641604101) 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, 2411913 + ... + 2412178.

It is an arithmetic number, because the mean of its divisors is an integer number (96481840).

Almost surely, 2^641604103 is an apocalyptic number.

641604103 is a deficient number, since it is larger than the sum of its proper divisors (130250617).

641604103 is a wasteful number, since it uses less digits than its factorization.

641604103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824117.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 641604103 is about 25329.9053097322. The cubic root of 641604103 is about 862.4932618111.

The spelling of 641604103 in words is "six hundred forty-one million, six hundred four thousand, one hundred three".