196061478 has 8 divisors (see below), whose sum is σ = 392122968. Its totient is φ = 65353824.

The previous prime is 196061447. The next prime is 196061479. The reversal of 196061478 is 874160691.

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

196061478 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196061479) 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, 16338451 + ... + 16338462.

It is an arithmetic number, because the mean of its divisors is an integer number (49015371).

Almost surely, 2^196061478 is an apocalyptic number.

196061478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196061478 is a wasteful number, since it uses less digits than its factorization.

196061478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32676918.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 196061478 is about 14002.1954707110. The cubic root of 196061478 is about 580.9393004309.

The spelling of 196061478 in words is "one hundred ninety-six million, sixty-one thousand, four hundred seventy-eight".