166462543004477 has 12 divisors (see below), whose sum is σ = 179469712759680. Its totient is φ = 154332261099456.

The previous prime is 166462543004473. The next prime is 166462543004521. The reversal of 166462543004477 is 774400345264661.

It is not a de Polignac number, because 166462543004477 - 2² = 166462543004473 is a prime.

It is a super-3 number, since 3×166462543004477³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166462543004473) 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, 4298450477 + ... + 4298489202.

It is an arithmetic number, because the mean of its divisors is an integer number (14955809396640).

Almost surely, 2^{166462543004477} is an apocalyptic number.

166462543004477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

166462543004477 is a deficient number, since it is larger than the sum of its proper divisors (13007169755203).

166462543004477 is an equidigital number, since it uses as much as digits as its factorization.

166462543004477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596939780 (or 8596939763 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 59.

The spelling of 166462543004477 in words is "one hundred sixty-six trillion, four hundred sixty-two billion, five hundred forty-three million, four thousand, four hundred seventy-seven".