1961346106 has 4 divisors (see below), whose sum is σ = 2942019162. Its totient is φ = 980673052.

The previous prime is 1961346077. The next prime is 1961346113. The reversal of 1961346106 is 6016431691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1688799025 + 272547081 = 41095^2 + 16509^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490336525 + ... + 490336528.

Almost surely, 2^1961346106 is an apocalyptic number.

1961346106 is a deficient number, since it is larger than the sum of its proper divisors (980673056).

1961346106 is an equidigital number, since it uses as much as digits as its factorization.

1961346106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980673055.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1961346106 is about 44287.0873506037. The cubic root of 1961346106 is about 1251.7513809325.

Adding to 1961346106 its reverse (6016431691), we get a palindrome (7977777797).

The spelling of 1961346106 in words is "one billion, nine hundred sixty-one million, three hundred forty-six thousand, one hundred six".