6261011064 has 144 divisors (see below), whose sum is σ = 21518728920. Its totient is φ = 1626226560.

The previous prime is 6261011027. The next prime is 6261011089. The reversal of 6261011064 is 4601101626.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41859 + ... + 119474.

Almost surely, 2^6261011064 is an apocalyptic number.

It is an amenable number.

6261011064 is an abundant number, since it is smaller than the sum of its proper divisors (15257717856).

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

6261011064 is a wasteful number, since it uses less digits than its factorization.

6261011064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161370 (or 161356 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 6261011064 is about 79126.5509421458. The cubic root of 6261011064 is about 1843.0968508606.

The spelling of 6261011064 in words is "six billion, two hundred sixty-one million, eleven thousand, sixty-four".