27953049862166 has 16 divisors (see below), whose sum is σ = 49259920037328. Its totient is φ = 11728552389600.

The previous prime is 27953049862163. The next prime is 27953049862169. The reversal of 27953049862166 is 66126894035972.

It is an interprime number because it is at equal distance from previous prime (27953049862163) and next prime (27953049862169).

It is a junction number, because it is equal to n+sod(n) for n = 27953049862096 and 27953049862105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27953049862163) 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, 48868968005 + ... + 48868968576.

It is an arithmetic number, because the mean of its divisors is an integer number (3078745002333).

It is a 1-persistent number, because it is pandigital, but 2⋅27953049862166 = 55906099724332 is not.

Almost surely, 2^{27953049862166} is an apocalyptic number.

27953049862166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27953049862166 is a deficient number, since it is larger than the sum of its proper divisors (21306870175162).

27953049862166 is a wasteful number, since it uses less digits than its factorization.

27953049862166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97737936607.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 27953049862166 in words is "twenty-seven trillion, nine hundred fifty-three billion, forty-nine million, eight hundred sixty-two thousand, one hundred sixty-six".