198456088474 has 16 divisors (see below), whose sum is σ = 340297253568. Its totient is φ = 85030905312.

The previous prime is 198456088471. The next prime is 198456088487. The reversal of 198456088474 is 474880654891.

It is not an unprimeable number, because it can be changed into a prime (198456088471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751787 + ... + 1861630.

It is an arithmetic number, because the mean of its divisors is an integer number (21268578348).

Almost surely, 2^198456088474 is an apocalyptic number.

198456088474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198456088474 is a deficient number, since it is larger than the sum of its proper divisors (141841165094).

198456088474 is a wasteful number, since it uses less digits than its factorization.

198456088474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617349.

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 198456088474 in words is "one hundred ninety-eight billion, four hundred fifty-six million, eighty-eight thousand, four hundred seventy-four".