166420463413530 has 128 divisors (see below), whose sum is σ = 406089295983360. Its totient is φ = 43642979481600.

The previous prime is 166420463413517. The next prime is 166420463413531. The reversal of 166420463413530 is 35314364024661.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166420463413530.

It is not an unprimeable number, because it can be changed into a prime (166420463413531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 541334601 + ... + 541641939.

It is an arithmetic number, because the mean of its divisors is an integer number (3172572624870).

Almost surely, 2^{166420463413530} is an apocalyptic number.

166420463413530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166420463413530 is an abundant number, since it is smaller than the sum of its proper divisors (239668832569830).

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

166420463413530 is a wasteful number, since it uses less digits than its factorization.

166420463413530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308656.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 166420463413530 in words is "one hundred sixty-six trillion, four hundred twenty billion, four hundred sixty-three million, four hundred thirteen thousand, five hundred thirty".