961161445 has 16 divisors (see below), whose sum is σ = 1174567680. Its totient is φ = 754862400.

The previous prime is 961161437. The next prime is 961161451. The reversal of 961161445 is 544161169.

It is not a de Polignac number, because 961161445 - 2³ = 961161437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171396 + ... + 176914.

It is an arithmetic number, because the mean of its divisors is an integer number (73410480).

Almost surely, 2^961161445 is an apocalyptic number.

It is an amenable number.

961161445 is a deficient number, since it is larger than the sum of its proper divisors (213406235).

961161445 is a wasteful number, since it uses less digits than its factorization.

961161445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156.

The product of its digits is 25920, while the sum is 37.

The square root of 961161445 is about 31002.6038422582. The cubic root of 961161445 is about 986.8824985262.

The spelling of 961161445 in words is "nine hundred sixty-one million, one hundred sixty-one thousand, four hundred forty-five".