5991301908 has 72 divisors (see below), whose sum is σ = 16056691560. Its totient is φ = 1877145600.

The previous prime is 5991301907. The next prime is 5991301961. The reversal of 5991301908 is 8091031995.

It can be written as a sum of positive squares in 4 ways, for example, as 4946590224 + 1044711684 = 70332^2 + 32322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991301907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489058 + ... + 501158.

It is an arithmetic number, because the mean of its divisors is an integer number (223009605).

Almost surely, 2^5991301908 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 5991301908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8028345780).

5991301908 is an abundant number, since it is smaller than the sum of its proper divisors (10065389652).

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

5991301908 is a wasteful number, since it uses less digits than its factorization.

5991301908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937 (or 12932 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 5991301908 is about 77403.5006185121. The cubic root of 5991301908 is about 1816.2420858383.

The spelling of 5991301908 in words is "five billion, nine hundred ninety-one million, three hundred one thousand, nine hundred eight".