193198190814420 has 48 divisors (see below), whose sum is σ = 590132655580608. Its totient is φ = 46835925045760.

The previous prime is 193198190814361. The next prime is 193198190814427. The reversal of 193198190814420 is 24418091891391.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193198190814427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146362265109 + ... + 146362266428.

It is an arithmetic number, because the mean of its divisors is an integer number (12294430324596).

Almost surely, 2^{193198190814420} is an apocalyptic number.

193198190814420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193198190814420 is an abundant number, since it is smaller than the sum of its proper divisors (396934464766188).

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

193198190814420 is a wasteful number, since it uses less digits than its factorization.

193198190814420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292724531560 (or 292724531558 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 60.

The spelling of 193198190814420 in words is "one hundred ninety-three trillion, one hundred ninety-eight billion, one hundred ninety million, eight hundred fourteen thousand, four hundred twenty".