166602741685030 has 128 divisors (see below), whose sum is σ = 379269384480000. Its totient is φ = 51371935727616.

The previous prime is 166602741684923. The next prime is 166602741685031. The reversal of 166602741685030 is 30586147206661.

It is a happy number.

166602741685030 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 2×166602741685030² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166602741685031) 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, 21537405 + ... + 28232344.

It is an arithmetic number, because the mean of its divisors is an integer number (2963042066250).

Almost surely, 2^{166602741685030} is an apocalyptic number.

166602741685030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166602741685030 is an abundant number, since it is smaller than the sum of its proper divisors (212666642794970).

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

166602741685030 is a wasteful number, since it uses less digits than its factorization.

166602741685030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49769906.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 166602741685030 in words is "one hundred sixty-six trillion, six hundred two billion, seven hundred forty-one million, six hundred eighty-five thousand, thirty".