68166063 has 32 divisors (see below), whose sum is σ = 117388800. Its totient is φ = 38285568.

The previous prime is 68166061. The next prime is 68166113. The reversal of 68166063 is 36066186.

It is not a de Polignac number, because 68166063 - 2¹ = 68166061 is a prime.

It is a super-2 number, since 2×68166063² = 9293224289839938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68166061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8095 + ... + 14207.

It is an arithmetic number, because the mean of its divisors is an integer number (3668400).

Almost surely, 2^68166063 is an apocalyptic number.

68166063 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

68166063 is a deficient number, since it is larger than the sum of its proper divisors (49222737).

68166063 is a wasteful number, since it uses less digits than its factorization.

68166063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188 (or 6182 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68166063 is about 8256.2741596921. The cubic root of 68166063 is about 408.4975008174.

The spelling of 68166063 in words is "sixty-eight million, one hundred sixty-six thousand, sixty-three".