1954016604 has 18 divisors (see below), whose sum is σ = 4939319840. Its totient is φ = 651338856.

The previous prime is 1954016569. The next prime is 1954016651. The reversal of 1954016604 is 4066104591.

1954016604 is a `hidden beast` number, since 1 + 9 + 5 + 40 + 1 + 6 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 54278239 = 1954016604 / (1 + 9 + 5 + 4 + 0 + 1 + 6 + 6 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27139084 + ... + 27139155.

Almost surely, 2^1954016604 is an apocalyptic number.

It is an amenable number.

1954016604 is an abundant number, since it is smaller than the sum of its proper divisors (2985303236).

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

1954016604 is a wasteful number, since it uses less digits than its factorization.

1954016604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54278249 (or 54278244 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1954016604 is about 44204.2600209527. The cubic root of 1954016604 is about 1250.1901799171.

The spelling of 1954016604 in words is "one billion, nine hundred fifty-four million, sixteen thousand, six hundred four".