64141181 has 8 divisors (see below), whose sum is σ = 72078720. Its totient is φ = 56632752.

The previous prime is 64141171. The next prime is 64141199. The reversal of 64141181 is 18114146.

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 64141181 - 2⁶ = 64141117 is a prime.

It is a super-2 number, since 2×64141181² = 8228182200149522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64141181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64141111) 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, 106961 + ... + 107558.

It is an arithmetic number, because the mean of its divisors is an integer number (9009840).

Almost surely, 2^64141181 is an apocalyptic number.

It is an amenable number.

64141181 is a deficient number, since it is larger than the sum of its proper divisors (7937539).

64141181 is a wasteful number, since it uses less digits than its factorization.

64141181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214555.

The product of its digits is 768, while the sum is 26.

The square root of 64141181 is about 8008.8189516308. The cubic root of 64141181 is about 400.2939110711.

The spelling of 64141181 in words is "sixty-four million, one hundred forty-one thousand, one hundred eighty-one".