961565146 has 8 divisors (see below), whose sum is σ = 1442863584. Its totient is φ = 480610620.

The previous prime is 961565119. The next prime is 961565159. The reversal of 961565146 is 641565169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78870 + ... + 90241.

It is an arithmetic number, because the mean of its divisors is an integer number (180357948).

Almost surely, 2^961565146 is an apocalyptic number.

961565146 is a deficient number, since it is larger than the sum of its proper divisors (481298438).

961565146 is a wasteful number, since it uses less digits than its factorization.

961565146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171956.

The product of its digits is 194400, while the sum is 43.

The square root of 961565146 is about 31009.1139183305. The cubic root of 961565146 is about 987.0206472517.

The spelling of 961565146 in words is "nine hundred sixty-one million, five hundred sixty-five thousand, one hundred forty-six".