5661001464 has 16 divisors (see below), whose sum is σ = 14152503720. Its totient is φ = 1887000480.

The previous prime is 5661001459. The next prime is 5661001469. The reversal of 5661001464 is 4641001665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5661001459) and next prime (5661001469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661001469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117937507 + ... + 117937554.

Almost surely, 2^5661001464 is an apocalyptic number.

It is an amenable number.

5661001464 is an abundant number, since it is smaller than the sum of its proper divisors (8491502256).

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

5661001464 is a wasteful number, since it uses less digits than its factorization.

5661001464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235875070 (or 235875066 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 5661001464 is about 75239.6269528232. The cubic root of 5661001464 is about 1782.2327601529.

The spelling of 5661001464 in words is "five billion, six hundred sixty-one million, one thousand, four hundred sixty-four".