196261761 has 16 divisors (see below), whose sum is σ = 268226816. Its totient is φ = 127579536.

The previous prime is 196261729. The next prime is 196261771. The reversal of 196261761 is 167162691.

It is not a de Polignac number, because 196261761 - 2⁵ = 196261729 is a prime.

It is a super-2 number, since 2×196261761² = 77037357661642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196261771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113046 + ... + 114768.

It is an arithmetic number, because the mean of its divisors is an integer number (16764176).

Almost surely, 2^196261761 is an apocalyptic number.

It is an amenable number.

196261761 is a deficient number, since it is larger than the sum of its proper divisors (71965055).

196261761 is a wasteful number, since it uses less digits than its factorization.

196261761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its digits is 27216, while the sum is 39.

The square root of 196261761 is about 14009.3454879234. The cubic root of 196261761 is about 581.1370490663.

The spelling of 196261761 in words is "one hundred ninety-six million, two hundred sixty-one thousand, seven hundred sixty-one".