196671630 has 32 divisors (see below), whose sum is σ = 473324544. Its totient is φ = 52299936.

The previous prime is 196671617. The next prime is 196671661. The reversal of 196671630 is 36176691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (14791392).

Almost surely, 2^196671630 is an apocalyptic number.

196671630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196671630 is an abundant number, since it is smaller than the sum of its proper divisors (276652914).

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

196671630 is a wasteful number, since it uses less digits than its factorization.

196671630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 196671630 is about 14023.9662720644. The cubic root of 196671630 is about 581.5413126404.

The spelling of 196671630 in words is "one hundred ninety-six million, six hundred seventy-one thousand, six hundred thirty".