64106194 has 4 divisors (see below), whose sum is σ = 96159294. Its totient is φ = 32053096.

The previous prime is 64106183. The next prime is 64106213. The reversal of 64106194 is 49160146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 22439169 = 6455^2 + 4737^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16026547 + ... + 16026550.

Almost surely, 2^64106194 is an apocalyptic number.

64106194 is a deficient number, since it is larger than the sum of its proper divisors (32053100).

64106194 is a wasteful number, since it uses less digits than its factorization.

64106194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32053099.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 64106194 is about 8006.6343740675. The cubic root of 64106194 is about 400.2211152476.

The spelling of 64106194 in words is "sixty-four million, one hundred six thousand, one hundred ninety-four".