196668530 has 8 divisors (see below), whose sum is σ = 354003372. Its totient is φ = 78667408.

The previous prime is 196668523. The next prime is 196668547. The reversal of 196668530 is 35866691.

It can be written as a sum of positive squares in 2 ways, for example, as 196588441 + 80089 = 14021^2 + 283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9833417 + ... + 9833436.

Almost surely, 2^196668530 is an apocalyptic number.

196668530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196668530 is a deficient number, since it is larger than the sum of its proper divisors (157334842).

196668530 is a wasteful number, since it uses less digits than its factorization.

196668530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666860.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 196668530 is about 14023.8557465485. The cubic root of 196668530 is about 581.5382571454.

The spelling of 196668530 in words is "one hundred ninety-six million, six hundred sixty-eight thousand, five hundred thirty".