5591651000 has 128 divisors (see below), whose sum is σ = 14136595200. Its totient is φ = 2057932800.

The previous prime is 5591650993. The next prime is 5591651063. The reversal of 5591651000 is 1561955.

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6018536 + ... + 6019464.

It is an arithmetic number, because the mean of its divisors is an integer number (110442150).

Almost surely, 2^5591651000 is an apocalyptic number.

5591651000 is a gapful number since it is divisible by the number (50) 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 5591651000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7068297600).

5591651000 is an abundant number, since it is smaller than the sum of its proper divisors (8544944200).

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

5591651000 is a wasteful number, since it uses less digits than its factorization.

5591651000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 5591651000 is about 74777.3428252168. The cubic root of 5591651000 is about 1774.9250513880.

The spelling of 5591651000 in words is "five billion, five hundred ninety-one million, six hundred fifty-one thousand".