27155526216 has 64 divisors (see below), whose sum is σ = 83555472000. Its totient is φ = 7161896448.

The previous prime is 27155526197. The next prime is 27155526239. The reversal of 27155526216 is 61262555172.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 6214741 + ... + 6219108.

It is an arithmetic number, because the mean of its divisors is an integer number (1305554250).

Almost surely, 2^27155526216 is an apocalyptic number.

27155526216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27155526216 is an abundant number, since it is smaller than the sum of its proper divisors (56399945784).

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

27155526216 is a wasteful number, since it uses less digits than its factorization.

27155526216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433878 (or 12433874 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The spelling of 27155526216 in words is "twenty-seven billion, one hundred fifty-five million, five hundred twenty-six thousand, two hundred sixteen".