196815411579120 has 80 divisors (see below), whose sum is σ = 610160362987392. Its totient is φ = 52481306563840.

The previous prime is 196815411579107. The next prime is 196815411579133. The reversal of 196815411579120 is 21975114518691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196815411579107) and next prime (196815411579133).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17395122 + ... + 26386001.

Almost surely, 2^{196815411579120} is an apocalyptic number.

196815411579120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196815411579120 is an abundant number, since it is smaller than the sum of its proper divisors (413344951408272).

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

196815411579120 is a wasteful number, since it uses less digits than its factorization.

196815411579120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43799870 (or 43799864 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 60.

The spelling of 196815411579120 in words is "one hundred ninety-six trillion, eight hundred fifteen billion, four hundred eleven million, five hundred seventy-nine thousand, one hundred twenty".