196357680 has 60 divisors (see below), whose sum is σ = 659436960. Its totient is φ = 52361856.

The previous prime is 196357661. The next prime is 196357691. The reversal of 196357680 is 86753691.

It is a happy number.

196357680 is a `hidden beast` number, since 1 + 9 + 635 + 7 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135640 + ... + 137079.

It is an arithmetic number, because the mean of its divisors is an integer number (10990616).

Almost surely, 2^196357680 is an apocalyptic number.

196357680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196357680 is an abundant number, since it is smaller than the sum of its proper divisors (463079280).

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

196357680 is a wasteful number, since it uses less digits than its factorization.

196357680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272738 (or 272729 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 196357680 is about 14012.7684630839. The cubic root of 196357680 is about 581.2317066737.

The spelling of 196357680 in words is "one hundred ninety-six million, three hundred fifty-seven thousand, six hundred eighty".