5664212736 has 144 divisors (see below), whose sum is σ = 18554156544. Its totient is φ = 1493839872.

The previous prime is 5664212717. The next prime is 5664212809. The reversal of 5664212736 is 6372124665.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29365 + ... + 110411.

Almost surely, 2^5664212736 is an apocalyptic number.

5664212736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5664212736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9277078272).

5664212736 is an abundant number, since it is smaller than the sum of its proper divisors (12889943808).

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

5664212736 is a wasteful number, since it uses less digits than its factorization.

5664212736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81086 (or 81072 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 5664212736 is about 75260.9642244902. The cubic root of 5664212736 is about 1782.5696941946.

It can be divided in two parts, 56642 and 12736, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 5664212736 in words is "five billion, six hundred sixty-four million, two hundred twelve thousand, seven hundred thirty-six".