6156886480 has 20 divisors (see below), whose sum is σ = 14314761252. Its totient is φ = 2462754560.

The previous prime is 6156886453. The next prime is 6156886487. The reversal of 6156886480 is 846886516.

It can be written as a sum of positive squares in 2 ways, for example, as 1393678224 + 4763208256 = 37332^2 + 69016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×6156886480² = 75814502255213580800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6156886487) 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, 38480461 + ... + 38480620.

Almost surely, 2^6156886480 is an apocalyptic number.

It is an amenable number.

6156886480 is an abundant number, since it is smaller than the sum of its proper divisors (8157874772).

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

6156886480 is a wasteful number, since it uses less digits than its factorization.

6156886480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76961094 (or 76961088 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 6156886480 is about 78465.8300153640. The cubic root of 6156886480 is about 1832.8223919046.

The spelling of 6156886480 in words is "six billion, one hundred fifty-six million, eight hundred eighty-six thousand, four hundred eighty".