196542471915 has 12 divisors (see below), whose sum is σ = 340673618064. Its totient is φ = 104822651664.

The previous prime is 196542471911. The next prime is 196542471919. The reversal of 196542471915 is 519174245691.

196542471915 is a `hidden beast` number, since 1 + 9 + 6 + 542 + 4 + 7 + 1 + 91 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (196542471911) and next prime (196542471919).

It is not a de Polignac number, because 196542471915 - 2² = 196542471911 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (196542471911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2183805199 + ... + 2183805288.

It is an arithmetic number, because the mean of its divisors is an integer number (28389468172).

Almost surely, 2^196542471915 is an apocalyptic number.

196542471915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196542471915 is a deficient number, since it is larger than the sum of its proper divisors (144131146149).

196542471915 is a wasteful number, since it uses less digits than its factorization.

196542471915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367610498 (or 4367610495 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 196542471915 in words is "one hundred ninety-six billion, five hundred forty-two million, four hundred seventy-one thousand, nine hundred fifteen".