196471518 has 32 divisors (see below), whose sum is σ = 398859552. Its totient is φ = 64512000.

The previous prime is 196471507. The next prime is 196471529. The reversal of 196471518 is 815174691.

It is an interprime number because it is at equal distance from previous prime (196471507) and next prime (196471529).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 196471518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121918 + ... + 123518.

It is an arithmetic number, because the mean of its divisors is an integer number (12464361).

Almost surely, 2^196471518 is an apocalyptic number.

196471518 is an abundant number, since it is smaller than the sum of its proper divisors (202388034).

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

196471518 is a wasteful number, since it uses less digits than its factorization.

196471518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its digits is 60480, while the sum is 42.

The square root of 196471518 is about 14016.8298127644. The cubic root of 196471518 is about 581.3440076416.

The spelling of 196471518 in words is "one hundred ninety-six million, four hundred seventy-one thousand, five hundred eighteen".