64916089 has 8 divisors (see below), whose sum is σ = 74370240. Its totient is φ = 55507056.

The previous prime is 64916083. The next prime is 64916101. The reversal of 64916089 is 98061946.

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 64916089 - 2²¹ = 62818937 is a prime.

It is a super-2 number, since 2×64916089² = 8428197222111842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64916083) 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, 8134 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (9296280).

Almost surely, 2^64916089 is an apocalyptic number.

It is an amenable number.

64916089 is a deficient number, since it is larger than the sum of its proper divisors (9454151).

64916089 is a wasteful number, since it uses less digits than its factorization.

64916089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22559.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 64916089 is about 8057.0521284152. The cubic root of 64916089 is about 401.8994843699.

The spelling of 64916089 in words is "sixty-four million, nine hundred sixteen thousand, eighty-nine".