641183601 has 8 divisors (see below), whose sum is σ = 866622880. Its totient is φ = 421600032.

The previous prime is 641183597. The next prime is 641183603. The reversal of 641183601 is 106381146.

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

It is not a de Polignac number, because 641183601 - 2² = 641183597 is a prime.

It is a super-2 number, since 2×641183601² = 822232820382654402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641183603) 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, 1463671 + ... + 1464108.

It is an arithmetic number, because the mean of its divisors is an integer number (108327860).

Almost surely, 2^641183601 is an apocalyptic number.

It is an amenable number.

641183601 is a deficient number, since it is larger than the sum of its proper divisors (225439279).

641183601 is a wasteful number, since it uses less digits than its factorization.

641183601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927855.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 641183601 is about 25321.6034444898. The cubic root of 641183601 is about 862.3047969924.

The spelling of 641183601 in words is "six hundred forty-one million, one hundred eighty-three thousand, six hundred one".