64923416 has 16 divisors (see below), whose sum is σ = 122691840. Its totient is φ = 32205600.

The previous prime is 64923371. The next prime is 64923449. The reversal of 64923416 is 61432946.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30935 + ... + 32966.

It is an arithmetic number, because the mean of its divisors is an integer number (7668240).

Almost surely, 2^64923416 is an apocalyptic number.

It is an amenable number.

64923416 is a deficient number, since it is larger than the sum of its proper divisors (57768424).

64923416 is a wasteful number, since it uses less digits than its factorization.

64923416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64034 (or 64030 counting only the distinct ones).

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

The square root of 64923416 is about 8057.5068104222. The cubic root of 64923416 is about 401.9146044363.

The spelling of 64923416 in words is "sixty-four million, nine hundred twenty-three thousand, four hundred sixteen".