64149117 has 8 divisors (see below), whose sum is σ = 85712640. Its totient is φ = 42675840.

The previous prime is 64149103. The next prime is 64149191. The reversal of 64149117 is 71194146.

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

It is not a de Polignac number, because 64149117 - 2²⁴ = 47371901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64149317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20884 + ... + 23757.

It is an arithmetic number, because the mean of its divisors is an integer number (10714080).

Almost surely, 2^64149117 is an apocalyptic number.

It is an amenable number.

64149117 is a deficient number, since it is larger than the sum of its proper divisors (21563523).

64149117 is a wasteful number, since it uses less digits than its factorization.

64149117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45123.

The product of its digits is 6048, while the sum is 33.

The square root of 64149117 is about 8009.3143901335. The cubic root of 64149117 is about 400.3104194538.

The spelling of 64149117 in words is "sixty-four million, one hundred forty-nine thousand, one hundred seventeen".