641160451 has 8 divisors (see below), whose sum is σ = 656688384. Its totient is φ = 625759680.

The previous prime is 641160439. The next prime is 641160461. The reversal of 641160451 is 154061146.

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 641160451 - 2¹⁷ = 641029379 is a prime.

It is a super-2 number, since 2×641160451² = 822173447853046802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641160431) 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, 21546 + ... + 41791.

It is an arithmetic number, because the mean of its divisors is an integer number (82086048).

Almost surely, 2^641160451 is an apocalyptic number.

641160451 is a deficient number, since it is larger than the sum of its proper divisors (15527933).

641160451 is a wasteful number, since it uses less digits than its factorization.

641160451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63581.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 641160451 is about 25321.1463208126. The cubic root of 641160451 is about 862.2944189996.

The spelling of 641160451 in words is "six hundred forty-one million, one hundred sixty thousand, four hundred fifty-one".