5661420936 has 32 divisors (see below), whose sum is σ = 14482707360. Its totient is φ = 1843252992.

The previous prime is 5661420901. The next prime is 5661420959. The reversal of 5661420936 is 6390241665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2741905 + ... + 2743968.

It is an arithmetic number, because the mean of its divisors is an integer number (452584605).

Almost surely, 2^5661420936 is an apocalyptic number.

It is an amenable number.

5661420936 is an abundant number, since it is smaller than the sum of its proper divisors (8821286424).

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

5661420936 is a wasteful number, since it uses less digits than its factorization.

5661420936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485925 (or 5485921 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 5661420936 is about 75242.4144748160. The cubic root of 5661420936 is about 1782.2767793535.

The spelling of 5661420936 in words is "five billion, six hundred sixty-one million, four hundred twenty thousand, nine hundred thirty-six".