196341154815 has 128 divisors (see below), whose sum is σ = 362243653632. Its totient is φ = 89955532800.

The previous prime is 196341154811. The next prime is 196341154859. The reversal of 196341154815 is 518451143691.

It is a Cunningham number, because it is equal to 443104²-1.

It is not a de Polignac number, because 196341154815 - 2² = 196341154811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196341154811) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 168822424 + ... + 168823586.

It is an arithmetic number, because the mean of its divisors is an integer number (2830028544).

Almost surely, 2^196341154815 is an apocalyptic number.

196341154815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196341154815 is a deficient number, since it is larger than the sum of its proper divisors (165902498817).

196341154815 is a wasteful number, since it uses less digits than its factorization.

196341154815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 518400, while the sum is 48.

The spelling of 196341154815 in words is "one hundred ninety-six billion, three hundred forty-one million, one hundred fifty-four thousand, eight hundred fifteen".