196341154816 has 99 divisors (see below), whose sum is σ = 400795908357. Its totient is φ = 96135843840.

The previous prime is 196341154811. The next prime is 196341154859. The reversal of 196341154816 is 618451143691.

The square root of 196341154816 is 443104.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6384649216 + 189956505600 = 79904^2 + 435840^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196341154816.

It is not an unprimeable number, because it can be changed into a prime (196341154811) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 864938895 + ... + 864939121.

Almost surely, 2^196341154816 is an apocalyptic number.

196341154816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

196341154816 is the 443104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196341154816

196341154816 is an abundant number, since it is smaller than the sum of its proper divisors (204454753541).

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

196341154816 is an frugal number, since it uses more digits than its factorization.

196341154816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 290 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

Multiplying 196341154816 by its sum of digits (49), we get a square (9620716585984 = 3101728²).

The spelling of 196341154816 in words is "one hundred ninety-six billion, three hundred forty-one million, one hundred fifty-four thousand, eight hundred sixteen".