27161611552722 has 16 divisors (see below), whose sum is σ = 54323347807872. Its totient is φ = 9053849733840.

The previous prime is 27161611552667. The next prime is 27161611552727. The reversal of 27161611552722 is 22725511616172.

It is a super-2 number, since 2×27161611552722² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27161611552727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234554 + ... + 7701717.

It is an arithmetic number, because the mean of its divisors is an integer number (3395209237992).

Almost surely, 2^{27161611552722} is an apocalyptic number.

27161611552722 is an abundant number, since it is smaller than the sum of its proper divisors (27161736255150).

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

27161611552722 is a wasteful number, since it uses less digits than its factorization.

27161611552722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391873.

The product of its digits is 705600, while the sum is 48.

The spelling of 27161611552722 in words is "twenty-seven trillion, one hundred sixty-one billion, six hundred eleven million, five hundred fifty-two thousand, seven hundred twenty-two".