64014181 has 16 divisors (see below), whose sum is σ = 81970560. Its totient is φ = 48530880.

The previous prime is 64014169. The next prime is 64014217. The reversal of 64014181 is 18141046.

It is a cyclic number.

It is not a de Polignac number, because 64014181 - 2⁵ = 64014149 is a prime.

It is a super-2 number, since 2×64014181² = 8195630738201522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64014131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8386 + ... + 14083.

It is an arithmetic number, because the mean of its divisors is an integer number (5123160).

Almost surely, 2^64014181 is an apocalyptic number.

It is an amenable number.

64014181 is a deficient number, since it is larger than the sum of its proper divisors (17956379).

64014181 is a wasteful number, since it uses less digits than its factorization.

64014181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22524.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 64014181 is about 8000.8862634086. The cubic root of 64014181 is about 400.0295415682.

The spelling of 64014181 in words is "sixty-four million, fourteen thousand, one hundred eighty-one".