1961316954 has 48 divisors (see below), whose sum is σ = 4289737920. Its totient is φ = 647611200.

The previous prime is 1961316953. The next prime is 1961316961. The reversal of 1961316954 is 4596131691.

1961316954 is a `hidden beast` number, since 19 + 613 + 16 + 9 + 5 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (1961316953) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 1241337 + ... + 1242915.

It is an arithmetic number, because the mean of its divisors is an integer number (89369540).

Almost surely, 2^1961316954 is an apocalyptic number.

1961316954 is an abundant number, since it is smaller than the sum of its proper divisors (2328420966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1961316954 is a wasteful number, since it uses less digits than its factorization.

1961316954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2192 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 1961316954 is about 44286.7582241013. The cubic root of 1961316954 is about 1251.7451791991.

The spelling of 1961316954 in words is "one billion, nine hundred sixty-one million, three hundred sixteen thousand, nine hundred fifty-four".