5661464472 has 48 divisors (see below), whose sum is σ = 15336912240. Its totient is φ = 1886689728.

The previous prime is 5661464443. The next prime is 5661464483. The reversal of 5661464472 is 2744641665.

5661464472 is a `hidden beast` number, since 5 + 66 + 146 + 447 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409578 + ... + 423174.

It is an arithmetic number, because the mean of its divisors is an integer number (319519005).

Almost surely, 2^5661464472 is an apocalyptic number.

It is an amenable number.

5661464472 is an abundant number, since it is smaller than the sum of its proper divisors (9675447768).

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

5661464472 is a wasteful number, since it uses less digits than its factorization.

5661464472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19392 (or 19385 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 5661464472 is about 75242.7037791705. The cubic root of 5661464472 is about 1782.2813478769.

The spelling of 5661464472 in words is "five billion, six hundred sixty-one million, four hundred sixty-four thousand, four hundred seventy-two".