27161062464 has 112 divisors (see below), whose sum is σ = 73247235776. Its totient is φ = 8880537600.

The previous prime is 27161062451. The next prime is 27161062483. The reversal of 27161062464 is 46426016172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095844 + ... + 3104604.

Almost surely, 2^27161062464 is an apocalyptic number.

27161062464 is a gapful number since it is divisible by the number (24) 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 27161062464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36623617888).

27161062464 is an abundant number, since it is smaller than the sum of its proper divisors (46086173312).

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

27161062464 is a wasteful number, since it uses less digits than its factorization.

27161062464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084 (or 9074 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 27161062464 in words is "twenty-seven billion, one hundred sixty-one million, sixty-two thousand, four hundred sixty-four".