1961416884 has 36 divisors (see below), whose sum is σ = 5323847424. Its totient is φ = 560404656.

The previous prime is 1961416883. The next prime is 1961416889. The reversal of 1961416884 is 4886141691.

1961416884 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961416883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1667284 + ... + 1668459.

Almost surely, 2^1961416884 is an apocalyptic number.

1961416884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1961416884 is an abundant number, since it is smaller than the sum of its proper divisors (3362430540).

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

1961416884 is a wasteful number, since it uses less digits than its factorization.

1961416884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335764 (or 3335755 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 1961416884 is about 44287.8864250711. The cubic root of 1961416884 is about 1251.7664378354.

The spelling of 1961416884 in words is "one billion, nine hundred sixty-one million, four hundred sixteen thousand, eight hundred eighty-four".