196953727545 has 48 divisors (see below), whose sum is σ = 362754776592. Its totient is φ = 98511114240.

The previous prime is 196953727543. The next prime is 196953727567. The reversal of 196953727545 is 545727359691.

196953727545 is a `hidden beast` number, since 1 + 9 + 69 + 5 + 3 + 7 + 27 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5204323881 + 191749403664 = 72141^2 + 437892^2 .

It is not a de Polignac number, because 196953727545 - 2¹ = 196953727543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196953727541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243142 + ... + 673071.

It is an arithmetic number, because the mean of its divisors is an integer number (7557391179).

Almost surely, 2^196953727545 is an apocalyptic number.

196953727545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196953727545 is a deficient number, since it is larger than the sum of its proper divisors (165801049047).

196953727545 is a wasteful number, since it uses less digits than its factorization.

196953727545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916522 (or 916519 counting only the distinct ones).

The product of its digits is 71442000, while the sum is 63.

The spelling of 196953727545 in words is "one hundred ninety-six billion, nine hundred fifty-three million, seven hundred twenty-seven thousand, five hundred forty-five".