201466478 has 8 divisors (see below), whose sum is σ = 305315472. Its totient is φ = 99694656.

The previous prime is 201466471. The next prime is 201466493. The reversal of 201466478 is 874664102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201466471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519050 + ... + 519437.

It is an arithmetic number, because the mean of its divisors is an integer number (38164434).

Almost surely, 2^201466478 is an apocalyptic number.

201466478 is a deficient number, since it is larger than the sum of its proper divisors (103848994).

201466478 is a wasteful number, since it uses less digits than its factorization.

201466478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038586.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 201466478 is about 14193.8887553764. Note that the first 3 decimals coincide. The cubic root of 201466478 is about 586.2294042164.

The spelling of 201466478 in words is "two hundred one million, four hundred sixty-six thousand, four hundred seventy-eight".