166026363 has 16 divisors (see below), whose sum is σ = 235195680. Its totient is φ = 103977216.

The previous prime is 166026349. The next prime is 166026407. The reversal of 166026363 is 363620661.

It is a happy number.

It is not a de Polignac number, because 166026363 - 2⁴ = 166026347 is a prime.

It is a super-2 number, since 2×166026363² = 55129506422015538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166026863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22570 + ... + 29007.

It is an arithmetic number, because the mean of its divisors is an integer number (14699730).

Almost surely, 2^166026363 is an apocalyptic number.

166026363 is a deficient number, since it is larger than the sum of its proper divisors (69169317).

166026363 is a wasteful number, since it uses less digits than its factorization.

166026363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51646.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 166026363 is about 12885.1217689240. The cubic root of 166026363 is about 549.6155583410.

The spelling of 166026363 in words is "one hundred sixty-six million, twenty-six thousand, three hundred sixty-three".