1672236198 has 16 divisors (see below), whose sum is σ = 3716080560. Its totient is φ = 557412048.

The previous prime is 1672236197. The next prime is 1672236199. The reversal of 1672236198 is 8916322761.

1672236198 is a `hidden beast` number, since 1 + 6 + 7 + 2 + 23 + 619 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1672236197) and next prime (1672236199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672236197) 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, 15483615 + ... + 15483722.

It is an arithmetic number, because the mean of its divisors is an integer number (232255035).

Almost surely, 2^1672236198 is an apocalyptic number.

1672236198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1672236198 is an abundant number, since it is smaller than the sum of its proper divisors (2043844362).

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

1672236198 is a wasteful number, since it uses less digits than its factorization.

1672236198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30967348 (or 30967342 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 1672236198 is about 40892.9847039807. The cubic root of 1672236198 is about 1186.9503150198.

The spelling of 1672236198 in words is "one billion, six hundred seventy-two million, two hundred thirty-six thousand, one hundred ninety-eight".