196661124 has 72 divisors (see below), whose sum is σ = 549817632. Its totient is φ = 58769280.

The previous prime is 196661119. The next prime is 196661131. The reversal of 196661124 is 421166691.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25507 + ... + 32309.

It is an arithmetic number, because the mean of its divisors is an integer number (7636356).

Almost surely, 2^196661124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196661124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274908816).

196661124 is an abundant number, since it is smaller than the sum of its proper divisors (353156508).

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

196661124 is a wasteful number, since it uses less digits than its factorization.

196661124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6892 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 196661124 is about 14023.5916939991. The cubic root of 196661124 is about 581.5309573393.

The spelling of 196661124 in words is "one hundred ninety-six million, six hundred sixty-one thousand, one hundred twenty-four".