166436510650026 has 32 divisors (see below), whose sum is σ = 348573131619840. Its totient is φ = 52879198639344.

The previous prime is 166436510649991. The next prime is 166436510650043. The reversal of 166436510650026 is 620056015634661.

166436510650026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166436510650026² (a number of 29 digits) contains 22 as substring.

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, 2130811956 + ... + 2130890063.

It is an arithmetic number, because the mean of its divisors is an integer number (10892910363120).

Almost surely, 2^{166436510650026} is an apocalyptic number.

166436510650026 is an abundant number, since it is smaller than the sum of its proper divisors (182136620969814).

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

166436510650026 is a wasteful number, since it uses less digits than its factorization.

166436510650026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261702330.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 166436510650026 in words is "one hundred sixty-six trillion, four hundred thirty-six billion, five hundred ten million, six hundred fifty thousand, twenty-six".