1954358316 has 144 divisors (see below), whose sum is σ = 5367922560. Its totient is φ = 597507840.

The previous prime is 1954358291. The next prime is 1954358333. The reversal of 1954358316 is 6138534591.

1954358316 is a `hidden beast` number, since 1 + 9 + 54 + 3 + 583 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6365835 + ... + 6366141.

It is an arithmetic number, because the mean of its divisors is an integer number (37277240).

Almost surely, 2^1954358316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1954358316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683961280).

1954358316 is an abundant number, since it is smaller than the sum of its proper divisors (3413564244).

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

1954358316 is a wasteful number, since it uses less digits than its factorization.

1954358316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 599 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1954358316 is about 44208.1249998233. The cubic root of 1954358316 is about 1250.2630520523.

The spelling of 1954358316 in words is "one billion, nine hundred fifty-four million, three hundred fifty-eight thousand, three hundred sixteen".