37821998196 has 96 divisors (see below), whose sum is σ = 103789212800. Its totient is φ = 11877684480.

The previous prime is 37821998189. The next prime is 37821998197. The reversal of 37821998196 is 69189912873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37821998197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320496 + ... + 422328.

Almost surely, 2^37821998196 is an apocalyptic number.

37821998196 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37821998196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51894606400).

37821998196 is an abundant number, since it is smaller than the sum of its proper divisors (65967214604).

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

37821998196 is a wasteful number, since it uses less digits than its factorization.

37821998196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102046 (or 102038 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 37821998196 in words is "thirty-seven billion, eight hundred twenty-one million, nine hundred ninety-eight thousand, one hundred ninety-six".