93198421155 has 48 divisors (see below), whose sum is σ = 173715162624. Its totient is φ = 42543103680.

The previous prime is 93198421153. The next prime is 93198421177. The reversal of 93198421155 is 55112489139.

It is not a de Polignac number, because 93198421155 - 2¹ = 93198421153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93198421153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 416134 + ... + 599636.

It is an arithmetic number, because the mean of its divisors is an integer number (3619065888).

Almost surely, 2^93198421155 is an apocalyptic number.

93198421155 is a deficient number, since it is larger than the sum of its proper divisors (80516741469).

93198421155 is a wasteful number, since it uses less digits than its factorization.

93198421155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184216 (or 184209 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The spelling of 93198421155 in words is "ninety-three billion, one hundred ninety-eight million, four hundred twenty-one thousand, one hundred fifty-five".