196657320 has 64 divisors (see below), whose sum is σ = 604376640. Its totient is φ = 51161600.

The previous prime is 196657319. The next prime is 196657367. The reversal of 196657320 is 23756691.

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, 15066 + ... + 24905.

It is an arithmetic number, because the mean of its divisors is an integer number (9443385).

Almost surely, 2^196657320 is an apocalyptic number.

196657320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196657320 is an abundant number, since it is smaller than the sum of its proper divisors (407719320).

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

196657320 is a wasteful number, since it uses less digits than its factorization.

196657320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40026 (or 40022 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 196657320 is about 14023.4560647509. The cubic root of 196657320 is about 581.5272078133.

The spelling of 196657320 in words is "one hundred ninety-six million, six hundred fifty-seven thousand, three hundred twenty".