166526200411420 has 36 divisors (see below), whose sum is σ = 351545524693272. Its totient is φ = 66261733904800.

The previous prime is 166526200411409. The next prime is 166526200411429. The reversal of 166526200411420 is 24114002625661.

166526200411420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166526200411429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113388826 + ... + 114848065.

It is an arithmetic number, because the mean of its divisors is an integer number (9765153463702).

Almost surely, 2^{166526200411420} is an apocalyptic number.

166526200411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166526200411420 is an abundant number, since it is smaller than the sum of its proper divisors (185019324281852).

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

166526200411420 is a wasteful number, since it uses less digits than its factorization.

166526200411420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228237282 (or 228237089 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 166526200411420 in words is "one hundred sixty-six trillion, five hundred twenty-six billion, two hundred million, four hundred eleven thousand, four hundred twenty".