64916423 has 8 divisors (see below), whose sum is σ = 76265616. Its totient is φ = 54475200.

The previous prime is 64916399. The next prime is 64916429. The reversal of 64916423 is 32461946.

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

It is not a de Polignac number, because 64916423 - 2⁶ = 64916359 is a prime.

It is a super-2 number, since 2×64916423² = 8428283950229858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64916429) 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, 226838 + ... + 227123.

It is an arithmetic number, because the mean of its divisors is an integer number (9533202).

Almost surely, 2^64916423 is an apocalyptic number.

64916423 is a deficient number, since it is larger than the sum of its proper divisors (11349193).

64916423 is a wasteful number, since it uses less digits than its factorization.

64916423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453985.

The product of its digits is 31104, while the sum is 35.

The square root of 64916423 is about 8057.0728555723. The cubic root of 64916423 is about 401.9001736402.

The spelling of 64916423 in words is "sixty-four million, nine hundred sixteen thousand, four hundred twenty-three".