166013444312630 has 32 divisors (see below), whose sum is σ = 303144691468608. Its totient is φ = 65445957964800.

The previous prime is 166013444312591. The next prime is 166013444312657. The reversal of 166013444312630 is 36213444310661.

It is a happy number.

It is a congruent number.

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, 41166611 + ... + 45019070.

It is an arithmetic number, because the mean of its divisors is an integer number (9473271608394).

Almost surely, 2^{166013444312630} is an apocalyptic number.

166013444312630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166013444312630 is a deficient number, since it is larger than the sum of its proper divisors (137131247155978).

166013444312630 is a wasteful number, since it uses less digits than its factorization.

166013444312630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86188472.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 166013444312630 in words is "one hundred sixty-six trillion, thirteen billion, four hundred forty-four million, three hundred twelve thousand, six hundred thirty".