166371541480 has 32 divisors (see below), whose sum is σ = 394037863200. Its totient is φ = 63046057536.

The previous prime is 166371541451. The next prime is 166371541487. The reversal of 166371541480 is 84145173661.

It is a self number, because there is not a number n which added to its sum of digits gives 166371541480.

It is not an unprimeable number, because it can be changed into a prime (166371541487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109454202 + ... + 109455721.

It is an arithmetic number, because the mean of its divisors is an integer number (12313683225).

Almost surely, 2^166371541480 is an apocalyptic number.

166371541480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166371541480 is an abundant number, since it is smaller than the sum of its proper divisors (227666321720).

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

166371541480 is a wasteful number, since it uses less digits than its factorization.

166371541480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218909953 (or 218909949 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 166371541480 in words is "one hundred sixty-six billion, three hundred seventy-one million, five hundred forty-one thousand, four hundred eighty".